31242424213 has 48 divisors (see below), whose sum is σ = 42897500800. Its totient is φ = 22136146560.

The previous prime is 31242424207. The next prime is 31242424231.

31242424213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31242424213 - 2⁵ = 31242424181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31242424243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 716563 + ... + 758911.

Almost surely, 2^31242424213 is an apocalyptic number.

It is an amenable number.

31242424213 is a deficient number, since it is larger than the sum of its proper divisors (11655076587).

31242424213 is a wasteful number, since it uses less digits than its factorization.

31242424213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42458 (or 42447 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The spelling of 31242424213 in words is "thirty-one billion, two hundred forty-two million, four hundred twenty-four thousand, two hundred thirteen".