54731219831 has 2 divisors, whose sum is σ = 54731219832. Its totient is φ = 54731219830.

The previous prime is 54731219791. The next prime is 54731219839. The reversal of 54731219831 is 13891213745.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54731219831 is a prime.

It is a super-2 number, since 2×54731219831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54731219839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27365609915 + 27365609916.

It is an arithmetic number, because the mean of its divisors is an integer number (27365609916).

Almost surely, 2^54731219831 is an apocalyptic number.

54731219831 is a deficient number, since it is larger than the sum of its proper divisors (1).

54731219831 is an equidigital number, since it uses as much as digits as its factorization.

54731219831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The spelling of 54731219831 in words is "fifty-four billion, seven hundred thirty-one million, two hundred nineteen thousand, eight hundred thirty-one".