91362331 has 2 divisors, whose sum is σ = 91362332. Its totient is φ = 91362330.

The previous prime is 91362319. The next prime is 91362433. The reversal of 91362331 is 13326319.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91362331 is a prime.

It is a super-2 number, since 2×91362331² = 16694151051507122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91362331.

It is not a weakly prime, because it can be changed into another prime (91362311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45681165 + 45681166.

It is an arithmetic number, because the mean of its divisors is an integer number (45681166).

Almost surely, 2^91362331 is an apocalyptic number.

91362331 is a deficient number, since it is larger than the sum of its proper divisors (1).

91362331 is an equidigital number, since it uses as much as digits as its factorization.

91362331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 28.

The square root of 91362331 is about 9558.3644521435. The cubic root of 91362331 is about 450.3903296432.

The spelling of 91362331 in words is "ninety-one million, three hundred sixty-two thousand, three hundred thirty-one".