231412440331 has 8 divisors (see below), whose sum is σ = 234207536400. Its totient is φ = 228621676800.

The previous prime is 231412440319. The next prime is 231412440359. The reversal of 231412440331 is 133044214132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231412440331 - 2¹⁷ = 231412309259 is a prime.

It is a super-2 number, since 2×231412440331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231412440331.

It is not an unprimeable number, because it can be changed into a prime (231412440031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975601 + ... + 1189378.

It is an arithmetic number, because the mean of its divisors is an integer number (29275942050).

Almost surely, 2^231412440331 is an apocalyptic number.

231412440331 is a deficient number, since it is larger than the sum of its proper divisors (2795096069).

231412440331 is a wasteful number, since it uses less digits than its factorization.

231412440331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166269.

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

Adding to 231412440331 its reverse (133044214132), we get a palindrome (364456654463).

The spelling of 231412440331 in words is "two hundred thirty-one billion, four hundred twelve million, four hundred forty thousand, three hundred thirty-one".