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232031102130 = 232519997136099
BaseRepresentation
bin1101100000011000100…
…0011010010010110010
3211011220122110021012100
43120012020122102302
512300144430232010
6254332115441230
722522642553262
oct3300610322262
9734818407170
10232031102130
118a449565333
1238b768b6216
1318b5a42b149
14b33219d7a2
1560805562c0
hex360621a4b2

232031102130 has 96 divisors (see below), whose sum is σ = 635674104000. Its totient is φ = 58559158656.

The previous prime is 232031102129. The next prime is 232031102201. The reversal of 232031102130 is 31201130232.

232031102130 is a `hidden beast` number, since 2 + 320 + 311 + 0 + 2 + 1 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1636821 + ... + 1772919.

It is an arithmetic number, because the mean of its divisors is an integer number (6621605250).

Almost surely, 2232031102130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 232031102130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317837052000).

232031102130 is an abundant number, since it is smaller than the sum of its proper divisors (403643001870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232031102130 is a wasteful number, since it uses less digits than its factorization.

232031102130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137128 (or 137125 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 232031102130 its reverse (31201130232), we get a palindrome (263232232362).

The spelling of 232031102130 in words is "two hundred thirty-two billion, thirty-one million, one hundred two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 285 342 570 855 997 1710 1994 2991 4985 5982 8973 9970 14955 17946 18943 29910 37886 44865 56829 89730 94715 113658 136099 170487 189430 272198 284145 340974 408297 568290 680495 816594 852435 1224891 1360990 1704870 2041485 2449782 2585881 4082970 5171762 6124455 7757643 12248910 12929405 15515286 23272929 25858810 38788215 46545858 77576430 116364645 135690703 232729290 271381406 407072109 678453515 814144218 1221216327 1356907030 2035360545 2442432654 2578123357 4070721090 5156246714 6106081635 7734370071 12212163270 12890616785 15468740142 23203110213 25781233570 38671850355 46406220426 77343700710 116015551065 232031102130