3131230310069 has 2 divisors, whose sum is σ = 3131230310070. Its totient is φ = 3131230310068.

The previous prime is 3131230310059. The next prime is 3131230310107. The reversal of 3131230310069 is 9600130321313.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1662843777169 + 1468386532900 = 1289513^2 + 1211770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3131230310069 is a prime.

It is a super-2 number, since 2×3131230310069² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131230310009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565615155034 + 1565615155035.

It is an arithmetic number, because the mean of its divisors is an integer number (1565615155035).

Almost surely, 2^{3131230310069} is an apocalyptic number.

It is an amenable number.

3131230310069 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131230310069 is an equidigital number, since it uses as much as digits as its factorization.

3131230310069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 32.

The spelling of 3131230310069 in words is "three trillion, one hundred thirty-one billion, two hundred thirty million, three hundred ten thousand, sixty-nine".