45213765131 has 16 divisors (see below), whose sum is σ = 50404304160. Its totient is φ = 40305438720.

The previous prime is 45213765101. The next prime is 45213765133. The reversal of 45213765131 is 13156731254.

It is a happy number.

45213765131 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 45213765131 - 2²⁶ = 45146656267 is a prime.

It is a super-2 number, since 2×45213765131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45213765133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1736771 + ... + 1762611.

It is an arithmetic number, because the mean of its divisors is an integer number (3150269010).

Almost surely, 2^45213765131 is an apocalyptic number.

45213765131 is a deficient number, since it is larger than the sum of its proper divisors (5190539029).

45213765131 is a wasteful number, since it uses less digits than its factorization.

45213765131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31294.

The product of its digits is 75600, while the sum is 38.

The spelling of 45213765131 in words is "forty-five billion, two hundred thirteen million, seven hundred sixty-five thousand, one hundred thirty-one".