83508031 has 2 divisors, whose sum is σ = 83508032. Its totient is φ = 83508030.

The previous prime is 83508011. The next prime is 83508053. The reversal of 83508031 is 13080538.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83508031 - 2⁷ = 83507903 is a prime.

It is a super-2 number, since 2×83508031² = 13947182482993922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83508011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41754015 + 41754016.

It is an arithmetic number, because the mean of its divisors is an integer number (41754016).

Almost surely, 2^83508031 is an apocalyptic number.

83508031 is a deficient number, since it is larger than the sum of its proper divisors (1).

83508031 is an equidigital number, since it uses as much as digits as its factorization.

83508031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 83508031 is about 9138.2728674515. The cubic root of 83508031 is about 437.0952442655.

Adding to 83508031 its reverse (13080538), we get a palindrome (96588569).

The spelling of 83508031 in words is "eighty-three million, five hundred eight thousand, thirty-one".