3131125045 has 16 divisors (see below), whose sum is σ = 3966480000. Its totient is φ = 2366238528.

The previous prime is 3131125031. The next prime is 3131125051. The reversal of 3131125045 is 5405211313.

It is a happy number.

3131125045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3131125045 - 2¹⁷ = 3130993973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14065 + ... + 80374.

It is an arithmetic number, because the mean of its divisors is an integer number (247905000).

Almost surely, 2^3131125045 is an apocalyptic number.

It is an amenable number.

3131125045 is a deficient number, since it is larger than the sum of its proper divisors (835354955).

3131125045 is a wasteful number, since it uses less digits than its factorization.

3131125045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94812.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 3131125045 is about 55956.4566873207. The cubic root of 3131125045 is about 1462.9634318710.

Adding to 3131125045 its reverse (5405211313), we get a palindrome (8536336358).

The spelling of 3131125045 in words is "three billion, one hundred thirty-one million, one hundred twenty-five thousand, forty-five".