231551402013124 has 6 divisors (see below), whose sum is σ = 405214953522974. Its totient is φ = 115775701006560.

The previous prime is 231551402013089. The next prime is 231551402013131. The reversal of 231551402013124 is 421310204155132.

It can be written as a sum of positive squares in only one way, i.e., 230969538173124 + 581863840000 = 15197682^2 + 762800^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231551402013124.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28943925251637 + ... + 28943925251644.

Almost surely, 2^{231551402013124} is an apocalyptic number.

It is an amenable number.

231551402013124 is a deficient number, since it is larger than the sum of its proper divisors (173663551509850).

231551402013124 is a wasteful number, since it uses less digits than its factorization.

231551402013124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57887850503285 (or 57887850503283 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 231551402013124 its reverse (421310204155132), we get a palindrome (652861606168256).

The spelling of 231551402013124 in words is "two hundred thirty-one trillion, five hundred fifty-one billion, four hundred two million, thirteen thousand, one hundred twenty-four".