231496902 has 192 divisors, whose sum is σ = 657506304. Its totient is φ = 57231360.

The previous prime is 231496897. The next prime is 231496913. The reversal of 231496902 is 209694132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2386518 + ... + 2386614.

It is an arithmetic number, because the mean of its divisors is an integer number (3424512).

Almost surely, 2^231496902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231496902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328753152).

231496902 is an abundant number, since it is smaller than the sum of its proper divisors (426009402).

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

231496902 is a wasteful number, since it uses less digits than its factorization.

231496902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 231496902 is about 15215.0222477655. The cubic root of 231496902 is about 614.0188837929.

The spelling of 231496902 in words is "two hundred thirty-one million, four hundred ninety-six thousand, nine hundred two".