2040940931 has 2 divisors, whose sum is σ = 2040940932. Its totient is φ = 2040940930.

The previous prime is 2040940919. The next prime is 2040940939. The reversal of 2040940931 is 1390490402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2040940931 - 2¹⁴ = 2040924547 is a prime.

It is a super-2 number, since 2×2040940931² = 8330879767662293522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2040940939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020470465 + 1020470466.

It is an arithmetic number, because the mean of its divisors is an integer number (1020470466).

Almost surely, 2^2040940931 is an apocalyptic number.

2040940931 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040940931 is an equidigital number, since it uses as much as digits as its factorization.

2040940931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2040940931 is about 45176.7742429669. The cubic root of 2040940931 is about 1268.4601029333.

The spelling of 2040940931 in words is "two billion, forty million, nine hundred forty thousand, nine hundred thirty-one".