231056402 has 16 divisors (see below), whose sum is σ = 355622400. Its totient is φ = 112524960.

The previous prime is 231056389. The next prime is 231056407. The reversal of 231056402 is 204650132.

It is not an unprimeable number, because it can be changed into a prime (231056407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56999 + ... + 60917.

It is an arithmetic number, because the mean of its divisors is an integer number (22226400).

Almost surely, 2^231056402 is an apocalyptic number.

231056402 is a deficient number, since it is larger than the sum of its proper divisors (124565998).

231056402 is a wasteful number, since it uses less digits than its factorization.

231056402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 231056402 is about 15200.5395298983. The cubic root of 231056402 is about 613.6291779926.

The spelling of 231056402 in words is "two hundred thirty-one million, fifty-six thousand, four hundred two".