31300103239 has 2 divisors, whose sum is σ = 31300103240. Its totient is φ = 31300103238.

The previous prime is 31300103213. The next prime is 31300103251. The reversal of 31300103239 is 93230100313.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31300103239 - 2⁹ = 31300102727 is a prime.

It is a super-2 number, since 2×31300103239² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31300106239) 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, 15650051619 + 15650051620.

It is an arithmetic number, because the mean of its divisors is an integer number (15650051620).

Almost surely, 2^31300103239 is an apocalyptic number.

31300103239 is a deficient number, since it is larger than the sum of its proper divisors (1).

31300103239 is an equidigital number, since it uses as much as digits as its factorization.

31300103239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 25.

The spelling of 31300103239 in words is "thirty-one billion, three hundred million, one hundred three thousand, two hundred thirty-nine".