54431302531 has 8 divisors (see below), whose sum is σ = 54745528320. Its totient is φ = 54117189768.

The previous prime is 54431302483. The next prime is 54431302537. The reversal of 54431302531 is 13520313445.

54431302531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54431302531 - 2²⁵ = 54397748099 is a prime.

It is a super-2 number, since 2×54431302531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54431302493 and 54431302502.

It is not an unprimeable number, because it can be changed into a prime (54431302537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057270 + ... + 1107556.

It is an arithmetic number, because the mean of its divisors is an integer number (6843191040).

Almost surely, 2^54431302531 is an apocalyptic number.

54431302531 is a deficient number, since it is larger than the sum of its proper divisors (314225789).

54431302531 is a wasteful number, since it uses less digits than its factorization.

54431302531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56513.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 54431302531 its reverse (13520313445), we get a palindrome (67951615976).

The spelling of 54431302531 in words is "fifty-four billion, four hundred thirty-one million, three hundred two thousand, five hundred thirty-one".