83178234331 has 2 divisors, whose sum is σ = 83178234332. Its totient is φ = 83178234330.

The previous prime is 83178234247. The next prime is 83178234383. The reversal of 83178234331 is 13343287138.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83178234331 - 2¹¹ = 83178232283 is a prime.

It is a super-2 number, since 2×83178234331² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83178234431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41589117165 + 41589117166.

It is an arithmetic number, because the mean of its divisors is an integer number (41589117166).

Almost surely, 2^83178234331 is an apocalyptic number.

83178234331 is a deficient number, since it is larger than the sum of its proper divisors (1).

83178234331 is an equidigital number, since it uses as much as digits as its factorization.

83178234331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 43.

The spelling of 83178234331 in words is "eighty-three billion, one hundred seventy-eight million, two hundred thirty-four thousand, three hundred thirty-one".