1310131224331 has 4 divisors (see below), whose sum is σ = 1310316881272. Its totient is φ = 1309945567392.

The previous prime is 1310131224293. The next prime is 1310131224343. The reversal of 1310131224331 is 1334221310131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1310131224331 - 2¹³ = 1310131216139 is a prime.

It is a super-2 number, since 2×1310131224331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310131224296 and 1310131224305.

It is not an unprimeable number, because it can be changed into a prime (1310131222331) 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 in 3 ways as a sum of consecutive naturals, for example, 92817885 + ... + 92831998.

It is an arithmetic number, because the mean of its divisors is an integer number (327579220318).

Almost surely, 2^{1310131224331} is an apocalyptic number.

1310131224331 is a deficient number, since it is larger than the sum of its proper divisors (185656941).

1310131224331 is an equidigital number, since it uses as much as digits as its factorization.

1310131224331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185656940.

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

Adding to 1310131224331 its reverse (1334221310131), we get a palindrome (2644352534462).

The spelling of 1310131224331 in words is "one trillion, three hundred ten billion, one hundred thirty-one million, two hundred twenty-four thousand, three hundred thirty-one".