31109419593139 has 2 divisors, whose sum is σ = 31109419593140. Its totient is φ = 31109419593138.

The previous prime is 31109419593107. The next prime is 31109419593163. The reversal of 31109419593139 is 93139591490113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31109419593139 - 2⁵ = 31109419593107 is a prime.

It is not a weakly prime, because it can be changed into another prime (31109419593199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15554709796569 + 15554709796570.

It is an arithmetic number, because the mean of its divisors is an integer number (15554709796570).

Almost surely, 2^{31109419593139} is an apocalyptic number.

31109419593139 is a deficient number, since it is larger than the sum of its proper divisors (1).

31109419593139 is an equidigital number, since it uses as much as digits as its factorization.

31109419593139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3542940, while the sum is 58.

The spelling of 31109419593139 in words is "thirty-one trillion, one hundred nine billion, four hundred nineteen million, five hundred ninety-three thousand, one hundred thirty-nine".