231288531046 has 16 divisors (see below), whose sum is σ = 353824002000. Its totient is φ = 113358430368.

The previous prime is 231288531041. The next prime is 231288531091. The reversal of 231288531046 is 640135882132.

It is a junction number, because it is equal to n+sod(n) for n = 231288530993 and 231288531011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231288531041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2766945 + ... + 2849308.

It is an arithmetic number, because the mean of its divisors is an integer number (22114000125).

Almost surely, 2^231288531046 is an apocalyptic number.

231288531046 is a deficient number, since it is larger than the sum of its proper divisors (122535470954).

231288531046 is a wasteful number, since it uses less digits than its factorization.

231288531046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5616663.

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 231288531046 in words is "two hundred thirty-one billion, two hundred eighty-eight million, five hundred thirty-one thousand, forty-six".