231004665040256 has 64 divisors (see below), whose sum is σ = 462466144008000. Its totient is φ = 114936110284800.

The previous prime is 231004665040229. The next prime is 231004665040283. The reversal of 231004665040256 is 652040566400132.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (231004665040229) and next prime (231004665040283).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 16049081 + ... + 26825031.

It is an arithmetic number, because the mean of its divisors is an integer number (7226033500125).

Almost surely, 2^{231004665040256} is an apocalyptic number.

It is an amenable number.

231004665040256 is an abundant number, since it is smaller than the sum of its proper divisors (231461478967744).

231004665040256 is a wasteful number, since it uses less digits than its factorization.

231004665040256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10776787 (or 10776775 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 231004665040256 in words is "two hundred thirty-one trillion, four billion, six hundred sixty-five million, forty thousand, two hundred fifty-six".