231056005144 has 32 divisors (see below), whose sum is σ = 456058900800. Its totient is φ = 109441026720.

The previous prime is 231056005123. The next prime is 231056005171. The reversal of 231056005144 is 441500650132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3313599 + ... + 3382609.

It is an arithmetic number, because the mean of its divisors is an integer number (14251840650).

Almost surely, 2^231056005144 is an apocalyptic number.

It is an amenable number.

231056005144 is a deficient number, since it is larger than the sum of its proper divisors (225002895656).

231056005144 is a wasteful number, since it uses less digits than its factorization.

231056005144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91063 (or 91059 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 231056005144 its reverse (441500650132), we get a palindrome (672556655276).

The spelling of 231056005144 in words is "two hundred thirty-one billion, fifty-six million, five thousand, one hundred forty-four".