31400212412331 has 24 divisors (see below), whose sum is σ = 51840578397920. Its totient is φ = 17941141443456.

The previous prime is 31400212412293. The next prime is 31400212412347. The reversal of 31400212412331 is 13321421200413.

31400212412331 is a `hidden beast` number, since 3 + 1 + 4 + 0 + 0 + 212 + 412 + 3 + 31 = 666.

It is not a de Polignac number, because 31400212412331 - 2¹⁴ = 31400212395947 is a prime.

It is a super-2 number, since 2×31400212412331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31400212412295 and 31400212412304.

It is not an unprimeable number, because it can be changed into a prime (31400212410331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24894640 + ... + 26125533.

Almost surely, 2^{31400212412331} is an apocalyptic number.

31400212412331 is a deficient number, since it is larger than the sum of its proper divisors (20440365985589).

31400212412331 is a wasteful number, since it uses less digits than its factorization.

31400212412331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51029955 (or 51029952 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 31400212412331 its reverse (13321421200413), we get a palindrome (44721633612744).

The spelling of 31400212412331 in words is "thirty-one trillion, four hundred billion, two hundred twelve million, four hundred twelve thousand, three hundred thirty-one".