31634597453 has 2 divisors, whose sum is σ = 31634597454. Its totient is φ = 31634597452.

The previous prime is 31634597443. The next prime is 31634597557. The reversal of 31634597453 is 35479543613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18239312809 + 13395284644 = 135053^2 + 115738^2 .

It is a cyclic number.

It is not a de Polignac number, because 31634597453 - 2²⁴ = 31617820237 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31634597413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15817298726 + 15817298727.

It is an arithmetic number, because the mean of its divisors is an integer number (15817298727).

Almost surely, 2^31634597453 is an apocalyptic number.

It is an amenable number.

31634597453 is a deficient number, since it is larger than the sum of its proper divisors (1).

31634597453 is an equidigital number, since it uses as much as digits as its factorization.

31634597453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 50.

The spelling of 31634597453 in words is "thirty-one billion, six hundred thirty-four million, five hundred ninety-seven thousand, four hundred fifty-three".