1310131222333 has 4 divisors (see below), whose sum is σ = 1310939448028. Its totient is φ = 1309322996640.

The previous prime is 1310131222331. The next prime is 1310131222427. The reversal of 1310131222333 is 3332221310131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1185195836889 + 124935385444 = 1088667^2 + 353462^2 .

It is a cyclic number.

It is not a de Polignac number, because 1310131222333 - 2¹ = 1310131222331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310131222298 and 1310131222307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310131222331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404110416 + ... + 404113657.

It is an arithmetic number, because the mean of its divisors is an integer number (327734862007).

Almost surely, 2^{1310131222333} is an apocalyptic number.

It is an amenable number.

1310131222333 is a deficient number, since it is larger than the sum of its proper divisors (808225695).

1310131222333 is an equidigital number, since it uses as much as digits as its factorization.

1310131222333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808225694.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 1310131222333 its reverse (3332221310131), we get a palindrome (4642352532464).

The spelling of 1310131222333 in words is "one trillion, three hundred ten billion, one hundred thirty-one million, two hundred twenty-two thousand, three hundred thirty-three".