545654312931 has 256 divisors, whose sum is σ = 994354135040. Its totient is φ = 258190571520.

The previous prime is 545654312909. The next prime is 545654312947. The reversal of 545654312931 is 139213456545.

It is not a de Polignac number, because 545654312931 - 2⁷ = 545654312803 is a prime.

It is a super-2 number, since 2×545654312931² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545654312831) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1486796310 + ... + 1486796676.

It is an arithmetic number, because the mean of its divisors is an integer number (3884195840).

Almost surely, 2^545654312931 is an apocalyptic number.

545654312931 is a deficient number, since it is larger than the sum of its proper divisors (448699822109).

545654312931 is a wasteful number, since it uses less digits than its factorization.

545654312931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634.

The product of its digits is 1944000, while the sum is 48.

The spelling of 545654312931 in words is "five hundred forty-five billion, six hundred fifty-four million, three hundred twelve thousand, nine hundred thirty-one".