31302200003117 has 2 divisors, whose sum is σ = 31302200003118. Its totient is φ = 31302200003116.

The previous prime is 31302200003077. The next prime is 31302200003143. The reversal of 31302200003117 is 71130000220313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24606867801961 + 6695332201156 = 4960531^2 + 2587534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31302200003117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31302200003092 and 31302200003101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31302200003717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15651100001558 + 15651100001559.

It is an arithmetic number, because the mean of its divisors is an integer number (15651100001559).

Almost surely, 2^{31302200003117} is an apocalyptic number.

It is an amenable number.

31302200003117 is a deficient number, since it is larger than the sum of its proper divisors (1).

31302200003117 is an equidigital number, since it uses as much as digits as its factorization.

31302200003117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The spelling of 31302200003117 in words is "thirty-one trillion, three hundred two billion, two hundred million, three thousand, one hundred seventeen".