31023130002113 has 2 divisors, whose sum is σ = 31023130002114. Its totient is φ = 31023130002112.

The previous prime is 31023130002103. The next prime is 31023130002203. The reversal of 31023130002113 is 31120003132013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30796151127184 + 226978874929 = 5549428^2 + 476423^2 .

It is an emirp because it is prime and its reverse (31120003132013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31023130002113 - 2⁶ = 31023130002049 is a prime.

It is not a weakly prime, because it can be changed into another prime (31023130002103) 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, 15511565001056 + 15511565001057.

It is an arithmetic number, because the mean of its divisors is an integer number (15511565001057).

Almost surely, 2^{31023130002113} is an apocalyptic number.

It is an amenable number.

31023130002113 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023130002113 is an equidigital number, since it uses as much as digits as its factorization.

31023130002113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31023130002113 its reverse (31120003132013), we get a palindrome (62143133134126).

The spelling of 31023130002113 in words is "thirty-one trillion, twenty-three billion, one hundred thirty million, two thousand, one hundred thirteen".