2331311232139 has 2 divisors, whose sum is σ = 2331311232140. Its totient is φ = 2331311232138.

The previous prime is 2331311232067. The next prime is 2331311232143. The reversal of 2331311232139 is 9312321131332.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2331311232139 - 2¹¹ = 2331311230091 is a prime.

It is a super-2 number, since 2×2331311232139² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2331311232149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165655616069 + 1165655616070.

It is an arithmetic number, because the mean of its divisors is an integer number (1165655616070).

Almost surely, 2^{2331311232139} is an apocalyptic number.

2331311232139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331311232139 is an equidigital number, since it uses as much as digits as its factorization.

2331311232139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496, while the sum is 34.

The spelling of 2331311232139 in words is "two trillion, three hundred thirty-one billion, three hundred eleven million, two hundred thirty-two thousand, one hundred thirty-nine".