3131310100903 has 2 divisors, whose sum is σ = 3131310100904. Its totient is φ = 3131310100902.

The previous prime is 3131310100879. The next prime is 3131310100907. The reversal of 3131310100903 is 3090010131313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3131310100903 - 2²¹ = 3131308003751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131310100907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565655050451 + 1565655050452.

It is an arithmetic number, because the mean of its divisors is an integer number (1565655050452).

Almost surely, 2^{3131310100903} is an apocalyptic number.

3131310100903 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131310100903 is an equidigital number, since it uses as much as digits as its factorization.

3131310100903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 729, while the sum is 25.

The spelling of 3131310100903 in words is "three trillion, one hundred thirty-one billion, three hundred ten million, one hundred thousand, nine hundred three".