1038860831 has 2 divisors, whose sum is σ = 1038860832. Its totient is φ = 1038860830.

The previous prime is 1038860819. The next prime is 1038860857. The reversal of 1038860831 is 1380688301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1038860831 - 2²⁶ = 971751967 is a prime.

It is a super-2 number, since 2×1038860831² = 2158463652372021122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1038860861) 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, 519430415 + 519430416.

It is an arithmetic number, because the mean of its divisors is an integer number (519430416).

Almost surely, 2^1038860831 is an apocalyptic number.

1038860831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1038860831 is an equidigital number, since it uses as much as digits as its factorization.

1038860831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 1038860831 is about 32231.3640884155. The cubic root of 1038860831 is about 1012.7893456643.

The spelling of 1038860831 in words is "one billion, thirty-eight million, eight hundred sixty thousand, eight hundred thirty-one".