5031911720 has 64 divisors (see below), whose sum is σ = 12535473600. Its totient is φ = 1802465280.

The previous prime is 5031911657. The next prime is 5031911737. The reversal of 5031911720 is 271191305.

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, 55865 + ... + 114824.

It is an arithmetic number, because the mean of its divisors is an integer number (195866775).

Almost surely, 2^5031911720 is an apocalyptic number.

It is an amenable number.

5031911720 is an abundant number, since it is smaller than the sum of its proper divisors (7503561880).

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

5031911720 is a wasteful number, since it uses less digits than its factorization.

5031911720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170778 (or 170774 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 5031911720 is about 70935.9691552882. The cubic root of 5031911720 is about 1713.6061194993.

The spelling of 5031911720 in words is "five billion, thirty-one million, nine hundred eleven thousand, seven hundred twenty".