83501131 has 16 divisors (see below), whose sum is σ = 97477888. Its totient is φ = 70048800.

The previous prime is 83501113. The next prime is 83501153. The reversal of 83501131 is 13110538.

It is a cyclic number.

It is not a de Polignac number, because 83501131 - 2⁷ = 83501003 is a prime.

It is a super-2 number, since 2×83501131² = 13944877756558322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83501101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120496 + ... + 121186.

It is an arithmetic number, because the mean of its divisors is an integer number (6092368).

Almost surely, 2^83501131 is an apocalyptic number.

83501131 is a deficient number, since it is larger than the sum of its proper divisors (13976757).

83501131 is a wasteful number, since it uses less digits than its factorization.

83501131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 83501131 is about 9137.8953266056. The cubic root of 83501131 is about 437.0832053426.

Adding to 83501131 its reverse (13110538), we get a palindrome (96611669).

The spelling of 83501131 in words is "eighty-three million, five hundred one thousand, one hundred thirty-one".