31110102220313 has 2 divisors, whose sum is σ = 31110102220314. Its totient is φ = 31110102220312.

The previous prime is 31110102220289. The next prime is 31110102220361. The reversal of 31110102220313 is 31302220101113.

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., 30527249371609 + 582852848704 = 5525147^2 + 763448^2 .

It is a cyclic number.

It is not a de Polignac number, because 31110102220313 - 2¹⁶ = 31110102154777 is a prime.

It is not a weakly prime, because it can be changed into another prime (31110102220913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15555051110156 + 15555051110157.

It is an arithmetic number, because the mean of its divisors is an integer number (15555051110157).

Almost surely, 2^{31110102220313} is an apocalyptic number.

It is an amenable number.

31110102220313 is a deficient number, since it is larger than the sum of its proper divisors (1).

31110102220313 is an equidigital number, since it uses as much as digits as its factorization.

31110102220313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31110102220313 its reverse (31302220101113), we get a palindrome (62412322321426).

The spelling of 31110102220313 in words is "thirty-one trillion, one hundred ten billion, one hundred two million, two hundred twenty thousand, three hundred thirteen".