53112000631 has 2 divisors, whose sum is σ = 53112000632. Its totient is φ = 53112000630.

The previous prime is 53112000587. The next prime is 53112000679. The reversal of 53112000631 is 13600021135.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53112000631 is a prime.

It is a super-2 number, since 2×53112000631² (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 (53112000031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26556000315 + 26556000316.

It is an arithmetic number, because the mean of its divisors is an integer number (26556000316).

Almost surely, 2^53112000631 is an apocalyptic number.

53112000631 is a deficient number, since it is larger than the sum of its proper divisors (1).

53112000631 is an equidigital number, since it uses as much as digits as its factorization.

53112000631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 53112000631 its reverse (13600021135), we get a palindrome (66712021766).

The spelling of 53112000631 in words is "fifty-three billion, one hundred twelve million, six hundred thirty-one", and thus it is an aban number.