310031320121431 has 2 divisors, whose sum is σ = 310031320121432. Its totient is φ = 310031320121430.

The previous prime is 310031320121417. The next prime is 310031320121503. The reversal of 310031320121431 is 134121023130013.

It is a weak prime.

It is an emirp because it is prime and its reverse (134121023130013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 310031320121431 - 2²³ = 310031311732823 is a prime.

It is a super-2 number, since 2×310031320121431² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 310031320121396 and 310031320121405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (310031320121401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155015660060715 + 155015660060716.

It is an arithmetic number, because the mean of its divisors is an integer number (155015660060716).

Almost surely, 2^{310031320121431} is an apocalyptic number.

310031320121431 is a deficient number, since it is larger than the sum of its proper divisors (1).

310031320121431 is an equidigital number, since it uses as much as digits as its factorization.

310031320121431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 310031320121431 its reverse (134121023130013), we get a palindrome (444152343251444).

The spelling of 310031320121431 in words is "three hundred ten trillion, thirty-one billion, three hundred twenty million, one hundred twenty-one thousand, four hundred thirty-one".