1331120122313 has 4 divisors (see below), whose sum is σ = 1332474263808. Its totient is φ = 1329765980820.

The previous prime is 1331120122301. The next prime is 1331120122337. The reversal of 1331120122313 is 3132210211331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1331120122313 - 2¹⁴ = 1331120105929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331120122513) 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, 677069273 + ... + 677071238.

It is an arithmetic number, because the mean of its divisors is an integer number (333118565952).

Almost surely, 2^{1331120122313} is an apocalyptic number.

It is an amenable number.

1331120122313 is a deficient number, since it is larger than the sum of its proper divisors (1354141495).

1331120122313 is an equidigital number, since it uses as much as digits as its factorization.

1331120122313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354141494.

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

Adding to 1331120122313 its reverse (3132210211331), we get a palindrome (4463330333644).

The spelling of 1331120122313 in words is "one trillion, three hundred thirty-one billion, one hundred twenty million, one hundred twenty-two thousand, three hundred thirteen".