31203331130039 has 2 divisors, whose sum is σ = 31203331130040. Its totient is φ = 31203331130038.

The previous prime is 31203331129969. The next prime is 31203331130057. The reversal of 31203331130039 is 93003113330213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31203331130039 is a prime.

It is a super-2 number, since 2×31203331130039² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31203331129987 and 31203331130014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31203331130099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15601665565019 + 15601665565020.

It is an arithmetic number, because the mean of its divisors is an integer number (15601665565020).

Almost surely, 2^{31203331130039} is an apocalyptic number.

31203331130039 is a deficient number, since it is larger than the sum of its proper divisors (1).

31203331130039 is an equidigital number, since it uses as much as digits as its factorization.

31203331130039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 32.

The spelling of 31203331130039 in words is "thirty-one trillion, two hundred three billion, three hundred thirty-one million, one hundred thirty thousand, thirty-nine".