1040751631 has 2 divisors, whose sum is σ = 1040751632. Its totient is φ = 1040751630.

The previous prime is 1040751601. The next prime is 1040751637. The reversal of 1040751631 is 1361570401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1040751631 - 2²⁵ = 1007197199 is a prime.

It is a super-2 number, since 2×1040751631² = 2166327914858320322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1040751631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1040751637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520375815 + 520375816.

It is an arithmetic number, because the mean of its divisors is an integer number (520375816).

Almost surely, 2^1040751631 is an apocalyptic number.

1040751631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040751631 is an equidigital number, since it uses as much as digits as its factorization.

1040751631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1040751631 is about 32260.6824323355. The cubic root of 1040751631 is about 1013.4034226129.

The spelling of 1040751631 in words is "one billion, forty million, seven hundred fifty-one thousand, six hundred thirty-one".