940294331 has 2 divisors, whose sum is σ = 940294332. Its totient is φ = 940294330.

The previous prime is 940294309. The next prime is 940294343. The reversal of 940294331 is 133492049.

It is a strong prime.

It is an emirp because it is prime and its reverse (133492049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940294331 - 2²² = 936100027 is a prime.

It is a super-2 number, since 2×940294331² = 1768306857821475122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 940294291 and 940294300.

It is not a weakly prime, because it can be changed into another prime (940294031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470147165 + 470147166.

It is an arithmetic number, because the mean of its divisors is an integer number (470147166).

Almost surely, 2^940294331 is an apocalyptic number.

940294331 is a deficient number, since it is larger than the sum of its proper divisors (1).

940294331 is an equidigital number, since it uses as much as digits as its factorization.

940294331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 940294331 is about 30664.2190671799. The cubic root of 940294331 is about 979.6883400883.

The spelling of 940294331 in words is "nine hundred forty million, two hundred ninety-four thousand, three hundred thirty-one".