31103102410309 has 2 divisors, whose sum is σ = 31103102410310. Its totient is φ = 31103102410308.

The previous prime is 31103102410307. The next prime is 31103102410339. The reversal of 31103102410309 is 90301420130113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28826483140900 + 2276619269409 = 5369030^2 + 1508847^2 .

It is a cyclic number.

It is not a de Polignac number, because 31103102410309 - 2¹ = 31103102410307 is a prime.

Together with 31103102410307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31103102410307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551551205154 + 15551551205155.

It is an arithmetic number, because the mean of its divisors is an integer number (15551551205155).

Almost surely, 2^{31103102410309} is an apocalyptic number.

It is an amenable number.

31103102410309 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103102410309 is an equidigital number, since it uses as much as digits as its factorization.

31103102410309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 31103102410309 in words is "thirty-one trillion, one hundred three billion, one hundred two million, four hundred ten thousand, three hundred nine".