913666031 has 2 divisors, whose sum is σ = 913666032. Its totient is φ = 913666030.

The previous prime is 913666001. The next prime is 913666051. The reversal of 913666031 is 130666319.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 913666031 - 2²⁶ = 846557167 is a prime.

It is a super-2 number, since 2×913666031² = 1669571232406585922, 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 = 913665982 and 913666000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (913666001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456833015 + 456833016.

It is an arithmetic number, because the mean of its divisors is an integer number (456833016).

Almost surely, 2^913666031 is an apocalyptic number.

913666031 is a deficient number, since it is larger than the sum of its proper divisors (1).

913666031 is an equidigital number, since it uses as much as digits as its factorization.

913666031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 913666031 is about 30226.9090546817. The cubic root of 913666031 is about 970.3516743057.

The spelling of 913666031 in words is "nine hundred thirteen million, six hundred sixty-six thousand, thirty-one".