31023103442887 has 2 divisors, whose sum is σ = 31023103442888. Its totient is φ = 31023103442886.

The previous prime is 31023103442857. The next prime is 31023103442963. The reversal of 31023103442887 is 78824430132013.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31023103442887 - 2¹¹ = 31023103440839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31023103442827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511551721443 + 15511551721444.

It is an arithmetic number, because the mean of its divisors is an integer number (15511551721444).

Almost surely, 2^{31023103442887} is an apocalyptic number.

31023103442887 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023103442887 is an equidigital number, since it uses as much as digits as its factorization.

31023103442887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 31023103442887 in words is "thirty-one trillion, twenty-three billion, one hundred three million, four hundred forty-two thousand, eight hundred eighty-seven".