231507609354 has 40 divisors (see below), whose sum is σ = 592855468128. Its totient is φ = 66145030920.

The previous prime is 231507609331. The next prime is 231507609383. The reversal of 231507609354 is 453906705132.

231507609354 is a `hidden beast` number, since 2 + 3 + 1 + 5 + 0 + 7 + 609 + 35 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 102074532 + ... + 102076799.

Almost surely, 2^231507609354 is an apocalyptic number.

231507609354 is an abundant number, since it is smaller than the sum of its proper divisors (361347858774).

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

231507609354 is a wasteful number, since it uses less digits than its factorization.

231507609354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204151352 (or 204151343 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 231507609354 in words is "two hundred thirty-one billion, five hundred seven million, six hundred nine thousand, three hundred fifty-four".