231431123404413 has 36 divisors (see below), whose sum is σ = 337250755820160. Its totient is φ = 152931924949152.

The previous prime is 231431123404387. The next prime is 231431123404421. The reversal of 231431123404413 is 314404321134132.

231431123404413 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 3 + 1 + 1 + 234 + 0 + 4 + 413 = 666.

It is not a de Polignac number, because 231431123404413 - 2⁵ = 231431123404381 is a prime.

It is a super-3 number, since 3×231431123404413³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231431123454413) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 94499470 + ... + 96917552.

It is an arithmetic number, because the mean of its divisors is an integer number (9368076550560).

Almost surely, 2^{231431123404413} is an apocalyptic number.

It is an amenable number.

231431123404413 is a deficient number, since it is larger than the sum of its proper divisors (105819632415747).

231431123404413 is a wasteful number, since it uses less digits than its factorization.

231431123404413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418866 (or 2418714 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

Adding to 231431123404413 its reverse (314404321134132), we get a palindrome (545835444538545).

The spelling of 231431123404413 in words is "two hundred thirty-one trillion, four hundred thirty-one billion, one hundred twenty-three million, four hundred four thousand, four hundred thirteen".