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130230131211 = 3353419217199
BaseRepresentation
bin111100101001001010…
…0100001101000001011
3110110010221222010022000
41321102110201220023
54113202403144321
6135454335402043
712260136564555
oct1712224415013
9413127863260
10130230131211
1150259572114
12212a5983323
13c38577b74b
146435c924d5
1535c3170826
hex1e52521a0b

130230131211 has 32 divisors (see below), whose sum is σ = 197043840000. Its totient is φ = 84978283104.

The previous prime is 130230131137. The next prime is 130230131219. The reversal of 130230131211 is 112131032031.

It is not a de Polignac number, because 130230131211 - 217 = 130230000139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130230131219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490990 + ... + 708188.

It is an arithmetic number, because the mean of its divisors is an integer number (6157620000).

Almost surely, 2130230131211 is an apocalyptic number.

130230131211 is a deficient number, since it is larger than the sum of its proper divisors (66813708789).

130230131211 is a wasteful number, since it uses less digits than its factorization.

130230131211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217680 (or 217674 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 130230131211 its reverse (112131032031), we get a palindrome (242361163242).

The spelling of 130230131211 in words is "one hundred thirty billion, two hundred thirty million, one hundred thirty-one thousand, two hundred eleven".

Divisors: 1 3 9 27 53 159 419 477 1257 1431 3771 11313 22207 66621 199863 217199 599589 651597 1954791 5864373 11511547 34534641 91006381 103603923 273019143 310811769 819057429 2457172287 4823338193 14470014579 43410043737 130230131211