1040040931 has 2 divisors, whose sum is σ = 1040040932. Its totient is φ = 1040040930.

The previous prime is 1040040929. The next prime is 1040040941. The reversal of 1040040931 is 1390400401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040040931 - 2¹ = 1040040929 is a prime.

It is a super-2 number, since 2×1040040931² = 2163370276310693522, which contains 22 as substring.

Together with 1040040929, it forms a pair of twin primes.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (1040040901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520020465 + 520020466.

It is an arithmetic number, because the mean of its divisors is an integer number (520020466).

Almost surely, 2^1040040931 is an apocalyptic number.

1040040931 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040040931 is an equidigital number, since it uses as much as digits as its factorization.

1040040931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1040040931 is about 32249.6655951655. The cubic root of 1040040931 is about 1013.1726951931.

The spelling of 1040040931 in words is "one billion, forty million, forty thousand, nine hundred thirty-one".