3131424620 has 12 divisors (see below), whose sum is σ = 6575991744. Its totient is φ = 1252569840.

The previous prime is 3131424619. The next prime is 3131424671. The reversal of 3131424620 is 264241313.

It is a self number, because there is not a number n which added to its sum of digits gives 3131424620.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78285596 + ... + 78285635.

It is an arithmetic number, because the mean of its divisors is an integer number (547999312).

Almost surely, 2^3131424620 is an apocalyptic number.

It is an amenable number.

3131424620 is an abundant number, since it is smaller than the sum of its proper divisors (3444567124).

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

3131424620 is a wasteful number, since it uses less digits than its factorization.

3131424620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156571240 (or 156571238 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3131424620 is about 55959.1334814970. The cubic root of 3131424620 is about 1463.0100874434.

Adding to 3131424620 its reverse (264241313), we get a palindrome (3395665933).

The spelling of 3131424620 in words is "three billion, one hundred thirty-one million, four hundred twenty-four thousand, six hundred twenty".