103131031319 has 2 divisors, whose sum is σ = 103131031320. Its totient is φ = 103131031318.

The previous prime is 103131031313. The next prime is 103131031343. The reversal of 103131031319 is 913130131301.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103131031319 is a prime.

It is a super-2 number, since 2×103131031319² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103131031313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51565515659 + 51565515660.

It is an arithmetic number, because the mean of its divisors is an integer number (51565515660).

Almost surely, 2^103131031319 is an apocalyptic number.

103131031319 is a deficient number, since it is larger than the sum of its proper divisors (1).

103131031319 is an equidigital number, since it uses as much as digits as its factorization.

103131031319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 26.

The spelling of 103131031319 in words is "one hundred three billion, one hundred thirty-one million, thirty-one thousand, three hundred nineteen".