940912631 has 2 divisors, whose sum is σ = 940912632. Its totient is φ = 940912630.

The previous prime is 940912603. The next prime is 940912697. The reversal of 940912631 is 136219049.

It is a weak prime.

It is an emirp because it is prime and its reverse (136219049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940912631 - 2²² = 936718327 is a prime.

It is a super-2 number, since 2×940912631² = 1770633158350684322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 940912591 and 940912600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (940932631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470456315 + 470456316.

It is an arithmetic number, because the mean of its divisors is an integer number (470456316).

Almost surely, 2^940912631 is an apocalyptic number.

940912631 is a deficient number, since it is larger than the sum of its proper divisors (1).

940912631 is an equidigital number, since it uses as much as digits as its factorization.

940912631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 940912631 is about 30674.2991932986. The cubic root of 940912631 is about 979.9030276809.

The spelling of 940912631 in words is "nine hundred forty million, nine hundred twelve thousand, six hundred thirty-one".