91313037 has 12 divisors (see below), whose sum is σ = 134964544. Its totient is φ = 59459400.

The previous prime is 91313009. The next prime is 91313071. The reversal of 91313037 is 73031319.

It is not a de Polignac number, because 91313037 - 2⁶ = 91312973 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 91313037.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91313237) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117589 + ... + 118362.

Almost surely, 2^91313037 is an apocalyptic number.

It is an amenable number.

91313037 is a deficient number, since it is larger than the sum of its proper divisors (43651507).

91313037 is a wasteful number, since it uses less digits than its factorization.

91313037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236000 (or 235997 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 27.

The square root of 91313037 is about 9555.7855250105. The cubic root of 91313037 is about 450.3093132668.

The spelling of 91313037 in words is "ninety-one million, three hundred thirteen thousand, thirty-seven".