3121130002139 has 2 divisors, whose sum is σ = 3121130002140. Its totient is φ = 3121130002138.

The previous prime is 3121130002099. The next prime is 3121130002153. The reversal of 3121130002139 is 9312000311213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3121130002139 - 2²⁰ = 3121128953563 is a prime.

It is not a weakly prime, because it can be changed into another prime (3121130002339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560565001069 + 1560565001070.

It is an arithmetic number, because the mean of its divisors is an integer number (1560565001070).

Almost surely, 2^{3121130002139} is an apocalyptic number.

3121130002139 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121130002139 is an equidigital number, since it uses as much as digits as its factorization.

3121130002139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 3121130002139 in words is "three trillion, one hundred twenty-one billion, one hundred thirty million, two thousand, one hundred thirty-nine".