2120031139 has 2 divisors, whose sum is σ = 2120031140. Its totient is φ = 2120031138.

The previous prime is 2120031101. The next prime is 2120031161. The reversal of 2120031139 is 9311300212.

It is an a-pointer prime, because the next prime (2120031161) can be obtained adding 2120031139 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120031139 is a prime.

It is not a weakly prime, because it can be changed into another prime (2120041139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060015569 + 1060015570.

It is an arithmetic number, because the mean of its divisors is an integer number (1060015570).

Almost surely, 2^2120031139 is an apocalyptic number.

2120031139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120031139 is an equidigital number, since it uses as much as digits as its factorization.

2120031139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 2120031139 is about 46043.7958795754. The cubic root of 2120031139 is about 1284.6379473271.

The spelling of 2120031139 in words is "two billion, one hundred twenty million, thirty-one thousand, one hundred thirty-nine".