5656304131 has 4 divisors (see below), whose sum is σ = 5719858200. Its totient is φ = 5592750064.

The previous prime is 5656304089. The next prime is 5656304149. The reversal of 5656304131 is 1314036565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1314036565 = 5 ⋅262807313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5656304131 is a prime.

It is a super-2 number, since 2×5656304131² = 63987552844735330322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5656308131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31776901 + ... + 31777078.

It is an arithmetic number, because the mean of its divisors is an integer number (1429964550).

Almost surely, 2^5656304131 is an apocalyptic number.

5656304131 is a deficient number, since it is larger than the sum of its proper divisors (63554069).

5656304131 is an equidigital number, since it uses as much as digits as its factorization.

5656304131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63554068.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 5656304131 is about 75208.4046566605. The cubic root of 5656304131 is about 1781.7396755859.

The spelling of 5656304131 in words is "five billion, six hundred fifty-six million, three hundred four thousand, one hundred thirty-one".