80913000631 has 2 divisors, whose sum is σ = 80913000632. Its totient is φ = 80913000630.

The previous prime is 80913000593. The next prime is 80913000647. The reversal of 80913000631 is 13600031908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80913000631 - 2⁷ = 80913000503 is a prime.

It is a super-2 number, since 2×80913000631² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80913000593 and 80913000602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80913000691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40456500315 + 40456500316.

It is an arithmetic number, because the mean of its divisors is an integer number (40456500316).

Almost surely, 2^80913000631 is an apocalyptic number.

80913000631 is a deficient number, since it is larger than the sum of its proper divisors (1).

80913000631 is an equidigital number, since it uses as much as digits as its factorization.

80913000631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 80913000631 in words is "eighty billion, nine hundred thirteen million, six hundred thirty-one", and thus it is an aban number.