31313310300071 has 2 divisors, whose sum is σ = 31313310300072. Its totient is φ = 31313310300070.

The previous prime is 31313310300049. The next prime is 31313310300127. The reversal of 31313310300071 is 17000301331313.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31313310300071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31313310300071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31313310300031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15656655150035 + 15656655150036.

It is an arithmetic number, because the mean of its divisors is an integer number (15656655150036).

Almost surely, 2^{31313310300071} is an apocalyptic number.

31313310300071 is a deficient number, since it is larger than the sum of its proper divisors (1).

31313310300071 is an equidigital number, since it uses as much as digits as its factorization.

31313310300071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1701, while the sum is 26.

Adding to 31313310300071 its reverse (17000301331313), we get a palindrome (48313611631384).

The spelling of 31313310300071 in words is "thirty-one trillion, three hundred thirteen billion, three hundred ten million, three hundred thousand, seventy-one".