31220102000713 has 2 divisors, whose sum is σ = 31220102000714. Its totient is φ = 31220102000712.

The previous prime is 31220102000677. The next prime is 31220102000761. The reversal of 31220102000713 is 31700020102213.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30386145843769 + 833956156944 = 5512363^2 + 913212^2 .

It is a cyclic number.

It is not a de Polignac number, because 31220102000713 - 2⁹ = 31220102000201 is a prime.

It is not a weakly prime, because it can be changed into another prime (31220102009713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15610051000356 + 15610051000357.

It is an arithmetic number, because the mean of its divisors is an integer number (15610051000357).

Almost surely, 2^{31220102000713} is an apocalyptic number.

It is an amenable number.

31220102000713 is a deficient number, since it is larger than the sum of its proper divisors (1).

31220102000713 is an equidigital number, since it uses as much as digits as its factorization.

31220102000713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 31220102000713 its reverse (31700020102213), we get a palindrome (62920122102926).

The spelling of 31220102000713 in words is "thirty-one trillion, two hundred twenty billion, one hundred two million, seven hundred thirteen", and thus it is an aban number.