31301013130103 has 2 divisors, whose sum is σ = 31301013130104. Its totient is φ = 31301013130102.

The previous prime is 31301013129961. The next prime is 31301013130139. The reversal of 31301013130103 is 30103131010313.

It is a strong prime.

It is an emirp because it is prime and its reverse (30103131010313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31301013130103 - 2²⁸ = 31300744694647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31301013100103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15650506565051 + 15650506565052.

It is an arithmetic number, because the mean of its divisors is an integer number (15650506565052).

Almost surely, 2^{31301013130103} is an apocalyptic number.

31301013130103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31301013130103 is an equidigital number, since it uses as much as digits as its factorization.

31301013130103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 31301013130103 its reverse (30103131010313), we get a palindrome (61404144140416).

The spelling of 31301013130103 in words is "thirty-one trillion, three hundred one billion, thirteen million, one hundred thirty thousand, one hundred three".