93931313 has 8 divisors (see below), whose sum is σ = 108413760. Its totient is φ = 79714800.

The previous prime is 93931297. The next prime is 93931337. The reversal of 93931313 is 31313939.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 93931313 - 2⁴ = 93931297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 93931313.

It is not an unprimeable number, because it can be changed into a prime (93931813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65723 + ... + 67136.

It is an arithmetic number, because the mean of its divisors is an integer number (13551720).

Almost surely, 2^93931313 is an apocalyptic number.

It is an amenable number.

93931313 is a deficient number, since it is larger than the sum of its proper divisors (14482447).

93931313 is a wasteful number, since it uses less digits than its factorization.

93931313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132967.

The product of its digits is 6561, while the sum is 32.

The square root of 93931313 is about 9691.8168059451. The cubic root of 93931313 is about 454.5728196895.

The spelling of 93931313 in words is "ninety-three million, nine hundred thirty-one thousand, three hundred thirteen".