231980397914 has 32 divisors (see below), whose sum is σ = 365949057600. Its totient is φ = 110145329280.

The previous prime is 231980397863. The next prime is 231980397931. The reversal of 231980397914 is 419793089132.

It is a self number, because there is not a number n which added to its sum of digits gives 231980397914.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 728174 + ... + 997094.

It is an arithmetic number, because the mean of its divisors is an integer number (11435908050).

Almost surely, 2^231980397914 is an apocalyptic number.

231980397914 is a deficient number, since it is larger than the sum of its proper divisors (133968659686).

231980397914 is a wasteful number, since it uses less digits than its factorization.

231980397914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269198.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 231980397914 in words is "two hundred thirty-one billion, nine hundred eighty million, three hundred ninety-seven thousand, nine hundred fourteen".