231049716628 has 24 divisors (see below), whose sum is σ = 412368516000. Its totient is φ = 113241363168.

The previous prime is 231049716613. The next prime is 231049716637. The reversal of 231049716628 is 826617940132.

It is a happy number.

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, 1320250 + ... + 1484977.

It is an arithmetic number, because the mean of its divisors is an integer number (17182021500).

Almost surely, 2^231049716628 is an apocalyptic number.

It is an amenable number.

231049716628 is a deficient number, since it is larger than the sum of its proper divisors (181318799372).

231049716628 is a wasteful number, since it uses less digits than its factorization.

231049716628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805639 (or 2805637 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 231049716628 in words is "two hundred thirty-one billion, forty-nine million, seven hundred sixteen thousand, six hundred twenty-eight".