1310131222331 has 2 divisors, whose sum is σ = 1310131222332. Its totient is φ = 1310131222330.

The previous prime is 1310131222297. The next prime is 1310131222427. The reversal of 1310131222331 is 1332221310131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310131222331 - 2¹⁰ = 1310131221307 is a prime.

It is a super-2 number, since 2×1310131222331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1310131222297 and 1310131222306.

It is not a weakly prime, because it can be changed into another prime (1310131227331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655065611165 + 655065611166.

It is an arithmetic number, because the mean of its divisors is an integer number (655065611166).

Almost surely, 2^{1310131222331} is an apocalyptic number.

1310131222331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310131222331 is an equidigital number, since it uses as much as digits as its factorization.

1310131222331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1310131222331 its reverse (1332221310131), we get a palindrome (2642352532462).

The spelling of 1310131222331 in words is "one trillion, three hundred ten billion, one hundred thirty-one million, two hundred twenty-two thousand, three hundred thirty-one".