31103341122391 has 2 divisors, whose sum is σ = 31103341122392. Its totient is φ = 31103341122390.

The previous prime is 31103341122353. The next prime is 31103341122433. The reversal of 31103341122391 is 19322114330113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31103341122391 - 2⁷ = 31103341122263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31103341125391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551670561195 + 15551670561196.

It is an arithmetic number, because the mean of its divisors is an integer number (15551670561196).

Almost surely, 2^{31103341122391} is an apocalyptic number.

31103341122391 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103341122391 is an equidigital number, since it uses as much as digits as its factorization.

31103341122391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 31103341122391 in words is "thirty-one trillion, one hundred three billion, three hundred forty-one million, one hundred twenty-two thousand, three hundred ninety-one".