33231132139 has 2 divisors, whose sum is σ = 33231132140. Its totient is φ = 33231132138.

The previous prime is 33231132133. The next prime is 33231132223. The reversal of 33231132139 is 93123113233.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33231132139 - 2³ = 33231132131 is a prime.

It is a super-2 number, since 2×33231132139² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33231132139.

It is not a weakly prime, because it can be changed into another prime (33231132131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16615566069 + 16615566070.

It is an arithmetic number, because the mean of its divisors is an integer number (16615566070).

Almost surely, 2^33231132139 is an apocalyptic number.

33231132139 is a deficient number, since it is larger than the sum of its proper divisors (1).

33231132139 is an equidigital number, since it uses as much as digits as its factorization.

33231132139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 31.

The spelling of 33231132139 in words is "thirty-three billion, two hundred thirty-one million, one hundred thirty-two thousand, one hundred thirty-nine".