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231313000332 = 22320807926423
BaseRepresentation
bin1101011101101101010…
…1000100011110001100
3211010001121012220201110
43113123111010132030
512242212112002312
6254132544212020
722466103030111
oct3273325043614
9733047186643
10231313000332
118a110181877
12389b630a010
1318a7472163b
14b2a4a72908
15603c4aa43c
hex35db54478c

231313000332 has 24 divisors (see below), whose sum is σ = 539756856576. Its totient is φ = 77100544528.

The previous prime is 231313000277. The next prime is 231313000351. The reversal of 231313000332 is 233000313132.

It is a super-2 number, since 2×2313130003322 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231313000299 and 231313000308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213528 + ... + 712895.

It is an arithmetic number, because the mean of its divisors is an integer number (22489869024).

Almost surely, 2231313000332 is an apocalyptic number.

It is an amenable number.

231313000332 is an abundant number, since it is smaller than the sum of its proper divisors (308443856244).

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

231313000332 is a wasteful number, since it uses less digits than its factorization.

231313000332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947237 (or 947235 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 231313000332 its reverse (233000313132), we get a palindrome (464313313464).

The spelling of 231313000332 in words is "two hundred thirty-one billion, three hundred thirteen million, three hundred thirty-two", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 20807 41614 62421 83228 124842 249684 926423 1852846 2779269 3705692 5558538 11117076 19276083361 38552166722 57828250083 77104333444 115656500166 231313000332