231113155014 has 64 divisors (see below), whose sum is σ = 589028359680. Its totient is φ = 65798969760.

The previous prime is 231113155001. The next prime is 231113155099. The reversal of 231113155014 is 410551311132.

231113155014 is a `hidden beast` number, since 2 + 31 + 113 + 15 + 501 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 973257 + ... + 1187204.

It is an arithmetic number, because the mean of its divisors is an integer number (9203568120).

Almost surely, 2^231113155014 is an apocalyptic number.

231113155014 is an abundant number, since it is smaller than the sum of its proper divisors (357915204666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231113155014 is a wasteful number, since it uses less digits than its factorization.

231113155014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160762 (or 2160756 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 231113155014 its reverse (410551311132), we get a palindrome (641664466146).

The spelling of 231113155014 in words is "two hundred thirty-one billion, one hundred thirteen million, one hundred fifty-five thousand, fourteen".