93213131 has 18 divisors (see below), whose sum is σ = 105716388. Its totient is φ = 81508000.

The previous prime is 93213119. The next prime is 93213137. The reversal of 93213131 is 13131239.

It is not a de Polignac number, because 93213131 - 2¹⁸ = 92950987 is a prime.

It is a super-2 number, since 2×93213131² = 17377375581646322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 93213097 and 93213106.

It is not an unprimeable number, because it can be changed into a prime (93213137) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1312826 + ... + 1312896.

Almost surely, 2^93213131 is an apocalyptic number.

93213131 is a deficient number, since it is larger than the sum of its proper divisors (12503257).

93213131 is an equidigital number, since it uses as much as digits as its factorization.

93213131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 123 counting only the distinct ones).

The product of its digits is 486, while the sum is 23.

The square root of 93213131 is about 9654.6947647246. The cubic root of 93213131 is about 453.4113269908.

The spelling of 93213131 in words is "ninety-three million, two hundred thirteen thousand, one hundred thirty-one".