231031023140404 has 12 divisors (see below), whose sum is σ = 404308016978404. Its totient is φ = 115514446860864.

The previous prime is 231031023140399. The next prime is 231031023140413. The reversal of 231031023140404 is 404041320130132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 111714287972004 + 119316735168400 = 10569498^2 + 10923220^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 265689009 + ... + 266557144.

Almost surely, 2^{231031023140404} is an apocalyptic number.

It is an amenable number.

231031023140404 is a deficient number, since it is larger than the sum of its proper divisors (173276993838000).

231031023140404 is a wasteful number, since it uses less digits than its factorization.

231031023140404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532354674 (or 532354672 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 231031023140404 its reverse (404041320130132), we get a palindrome (635072343270536).

The spelling of 231031023140404 in words is "two hundred thirty-one trillion, thirty-one billion, twenty-three million, one hundred forty thousand, four hundred four".