93113381 has 2 divisors, whose sum is σ = 93113382. Its totient is φ = 93113380.

The previous prime is 93113347. The next prime is 93113393. The reversal of 93113381 is 18331139.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87590881 + 5522500 = 9359^2 + 2350^2 .

It is a cyclic number.

It is not a de Polignac number, because 93113381 - 2¹⁸ = 92851237 is a prime.

It is a super-2 number, since 2×93113381² = 17340203442502322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93113311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46556690 + 46556691.

It is an arithmetic number, because the mean of its divisors is an integer number (46556691).

Almost surely, 2^93113381 is an apocalyptic number.

It is an amenable number.

93113381 is a deficient number, since it is larger than the sum of its proper divisors (1).

93113381 is an equidigital number, since it uses as much as digits as its factorization.

93113381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 93113381 is about 9649.5275013858. The cubic root of 93113381 is about 453.2495331814.

The spelling of 93113381 in words is "ninety-three million, one hundred thirteen thousand, three hundred eighty-one".