231116268356 has 48 divisors (see below), whose sum is σ = 431653017600. Its totient is φ = 107962221312.

The previous prime is 231116268349. The next prime is 231116268359. The reversal of 231116268356 is 653862611132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (231116268359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2546006 + ... + 2635218.

It is an arithmetic number, because the mean of its divisors is an integer number (8992771200).

Almost surely, 2^231116268356 is an apocalyptic number.

It is an amenable number.

231116268356 is a deficient number, since it is larger than the sum of its proper divisors (200536749244).

231116268356 is a wasteful number, since it uses less digits than its factorization.

231116268356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89708 (or 89706 counting only the distinct ones).

The product of its digits is 311040, while the sum is 44.

Adding to 231116268356 its reverse (653862611132), we get a palindrome (884978879488).

The spelling of 231116268356 in words is "two hundred thirty-one billion, one hundred sixteen million, two hundred sixty-eight thousand, three hundred fifty-six".