231400323044 has 36 divisors (see below), whose sum is σ = 445165455504. Its totient is φ = 105169086000.

The previous prime is 231400322977. The next prime is 231400323083. The reversal of 231400323044 is 440323004132.

231400323044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×231400323044² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4724159 + ... + 4772889.

Almost surely, 2^231400323044 is an apocalyptic number.

It is an amenable number.

231400323044 is a deficient number, since it is larger than the sum of its proper divisors (213765132460).

231400323044 is a wasteful number, since it uses less digits than its factorization.

231400323044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58568 (or 58555 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 231400323044 its reverse (440323004132), we get a palindrome (671723327176).

The spelling of 231400323044 in words is "two hundred thirty-one billion, four hundred million, three hundred twenty-three thousand, forty-four".