54135315431 has 2 divisors, whose sum is σ = 54135315432. Its totient is φ = 54135315430.

The previous prime is 54135315391. The next prime is 54135315467. The reversal of 54135315431 is 13451353145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54135315431 - 2²⁶ = 54068206567 is a prime.

It is a super-2 number, since 2×54135315431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54135315391 and 54135315400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54105315431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27067657715 + 27067657716.

It is an arithmetic number, because the mean of its divisors is an integer number (27067657716).

Almost surely, 2^54135315431 is an apocalyptic number.

54135315431 is a deficient number, since it is larger than the sum of its proper divisors (1).

54135315431 is an equidigital number, since it uses as much as digits as its factorization.

54135315431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 35.

Adding to 54135315431 its reverse (13451353145), we get a palindrome (67586668576).

The spelling of 54135315431 in words is "fifty-four billion, one hundred thirty-five million, three hundred fifteen thousand, four hundred thirty-one".