31214213402124 has 24 divisors (see below), whose sum is σ = 72833367350128. Its totient is φ = 10404708837120.

The previous prime is 31214213402063. The next prime is 31214213402179. The reversal of 31214213402124 is 42120431241213.

It is a happy number.

It is a super-2 number, since 2×31214213402124² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31214213402091 and 31214213402100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118064 + ... + 7979880.

Almost surely, 2^{31214213402124} is an apocalyptic number.

It is an amenable number.

31214213402124 is an abundant number, since it is smaller than the sum of its proper divisors (41619153948004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31214213402124 is a wasteful number, since it uses less digits than its factorization.

31214213402124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7240905 (or 7240903 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 31214213402124 its reverse (42120431241213), we get a palindrome (73334644643337).

The spelling of 31214213402124 in words is "thirty-one trillion, two hundred fourteen billion, two hundred thirteen million, four hundred two thousand, one hundred twenty-four".