3131020102 has 16 divisors (see below), whose sum is σ = 5372382240. Its totient is φ = 1340635968.

The previous prime is 3131020069. The next prime is 3131020117. The reversal of 3131020102 is 2010201313.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86577 + ... + 117292.

It is an arithmetic number, because the mean of its divisors is an integer number (335773890).

Almost surely, 2^3131020102 is an apocalyptic number.

3131020102 is a deficient number, since it is larger than the sum of its proper divisors (2241362138).

3131020102 is a wasteful number, since it uses less digits than its factorization.

3131020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204975.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3131020102 is about 55955.5189592591. The cubic root of 3131020102 is about 1462.9470874278.

Adding to 3131020102 its reverse (2010201313), we get a palindrome (5141221415).

The spelling of 3131020102 in words is "three billion, one hundred thirty-one million, twenty thousand, one hundred two".