5656235131 has 4 divisors (see below), whose sum is σ = 5664517272. Its totient is φ = 5647952992.

The previous prime is 5656235111. The next prime is 5656235147. The reversal of 5656235131 is 1315326565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5656235131 - 2¹¹ = 5656233083 is a prime.

It is a super-2 number, since 2×5656235131² = 63985991714317174322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5656235111) 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, 4140046 + ... + 4141411.

It is an arithmetic number, because the mean of its divisors is an integer number (1416129318).

Almost surely, 2^5656235131 is an apocalyptic number.

5656235131 is a deficient number, since it is larger than the sum of its proper divisors (8282141).

5656235131 is an equidigital number, since it uses as much as digits as its factorization.

5656235131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8282140.

The product of its digits is 81000, while the sum is 37.

The square root of 5656235131 is about 75207.9459299348. The cubic root of 5656235131 is about 1781.7324305407.

The spelling of 5656235131 in words is "five billion, six hundred fifty-six million, two hundred thirty-five thousand, one hundred thirty-one".