1140973831 has 2 divisors, whose sum is σ = 1140973832. Its totient is φ = 1140973830.

The previous prime is 1140973787. The next prime is 1140973837. The reversal of 1140973831 is 1383790411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1140973831 - 2²⁷ = 1006756103 is a prime.

It is a super-2 number, since 2×1140973831² = 2603642566053633122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140973837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570486915 + 570486916.

It is an arithmetic number, because the mean of its divisors is an integer number (570486916).

Almost surely, 2^1140973831 is an apocalyptic number.

1140973831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140973831 is an equidigital number, since it uses as much as digits as its factorization.

1140973831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1140973831 is about 33778.3041463008. The cubic root of 1140973831 is about 1044.9413002444.

The spelling of 1140973831 in words is "one billion, one hundred forty million, nine hundred seventy-three thousand, eight hundred thirty-one".