31103340860287 has 2 divisors, whose sum is σ = 31103340860288. Its totient is φ = 31103340860286.

The previous prime is 31103340860281. The next prime is 31103340860299. The reversal of 31103340860287 is 78206804330113.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31103340860287 - 2³ = 31103340860279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31103340860281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15551670430143 + 15551670430144.

It is an arithmetic number, because the mean of its divisors is an integer number (15551670430144).

Almost surely, 2^{31103340860287} is an apocalyptic number.

31103340860287 is a deficient number, since it is larger than the sum of its proper divisors (1).

31103340860287 is an equidigital number, since it uses as much as digits as its factorization.

31103340860287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 31103340860287 in words is "thirty-one trillion, one hundred three billion, three hundred forty million, eight hundred sixty thousand, two hundred eighty-seven".