83801131 has 2 divisors, whose sum is σ = 83801132. Its totient is φ = 83801130.

The previous prime is 83801051. The next prime is 83801161. The reversal of 83801131 is 13110838.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83801131 - 2²³ = 75412523 is a prime.

It is a super-2 number, since 2×83801131² = 14045259113758322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83801096 and 83801105.

It is not a weakly prime, because it can be changed into another prime (83801161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41900565 + 41900566.

It is an arithmetic number, because the mean of its divisors is an integer number (41900566).

Almost surely, 2^83801131 is an apocalyptic number.

83801131 is a deficient number, since it is larger than the sum of its proper divisors (1).

83801131 is an equidigital number, since it uses as much as digits as its factorization.

83801131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 83801131 is about 9154.2957675618. The cubic root of 83801131 is about 437.6060255686.

Adding to 83801131 its reverse (13110838), we get a palindrome (96911969).

The spelling of 83801131 in words is "eighty-three million, eight hundred one thousand, one hundred thirty-one".