3131015225 has 96 divisors (see below), whose sum is σ = 4593456000. Its totient is φ = 2097100800.

The previous prime is 3131015219. The next prime is 3131015233. The reversal of 3131015225 is 5225101313.

It is a happy number.

3131015225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3131015225 - 2⁶ = 3131015161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3131015225.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21013451 + ... + 21013599.

It is an arithmetic number, because the mean of its divisors is an integer number (47848500).

Almost surely, 2^3131015225 is an apocalyptic number.

It is an amenable number.

3131015225 is a deficient number, since it is larger than the sum of its proper divisors (1462440775).

3131015225 is a wasteful number, since it uses less digits than its factorization.

3131015225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 3131015225 is about 55955.4753799840. The cubic root of 3131015225 is about 1462.9463278461.

Adding to 3131015225 its reverse (5225101313), we get a palindrome (8356116538).

The spelling of 3131015225 in words is "three billion, one hundred thirty-one million, fifteen thousand, two hundred twenty-five".