331534435139 has 2 divisors, whose sum is σ = 331534435140. Its totient is φ = 331534435138.

The previous prime is 331534435103. The next prime is 331534435229. The reversal of 331534435139 is 931534435133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331534435139 - 2⁸ = 331534434883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 331534435139.

It is not a weakly prime, because it can be changed into another prime (331534435339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165767217569 + 165767217570.

It is an arithmetic number, because the mean of its divisors is an integer number (165767217570).

Almost surely, 2^331534435139 is an apocalyptic number.

331534435139 is a deficient number, since it is larger than the sum of its proper divisors (1).

331534435139 is an equidigital number, since it uses as much as digits as its factorization.

331534435139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 874800, while the sum is 44.

The spelling of 331534435139 in words is "three hundred thirty-one billion, five hundred thirty-four million, four hundred thirty-five thousand, one hundred thirty-nine".