93691131 has 16 divisors (see below), whose sum is σ = 132480000. Its totient is φ = 58693248.

The previous prime is 93691127. The next prime is 93691133. The reversal of 93691131 is 13119639.

It is a happy number.

It is not a de Polignac number, because 93691131 - 2² = 93691127 is a prime.

It is a super-2 number, since 2×93691131² = 17556056056118322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 93691092 and 93691101.

It is not an unprimeable number, because it can be changed into a prime (93691133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45870 + ... + 47868.

It is an arithmetic number, because the mean of its divisors is an integer number (8280000).

Almost surely, 2^93691131 is an apocalyptic number.

93691131 is a deficient number, since it is larger than the sum of its proper divisors (38788869).

93691131 is a wasteful number, since it uses less digits than its factorization.

93691131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938.

The product of its digits is 4374, while the sum is 33.

The square root of 93691131 is about 9679.4179060520. The cubic root of 93691131 is about 454.1850420120.

The spelling of 93691131 in words is "ninety-three million, six hundred ninety-one thousand, one hundred thirty-one".