1331111120323 has 16 divisors (see below), whose sum is σ = 1415748241440. Its totient is φ = 1247944320000.

The previous prime is 1331111120309. The next prime is 1331111120341. The reversal of 1331111120323 is 3230211111331.

It is not a de Polignac number, because 1331111120323 - 2²¹ = 1331109023171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1331111120294 and 1331111120303.

It is not an unprimeable number, because it can be changed into a prime (1331111150323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3698673 + ... + 4042573.

It is an arithmetic number, because the mean of its divisors is an integer number (88484265090).

Almost surely, 2^{1331111120323} is an apocalyptic number.

1331111120323 is a deficient number, since it is larger than the sum of its proper divisors (84637121117).

1331111120323 is a wasteful number, since it uses less digits than its factorization.

1331111120323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346038.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 1331111120323 its reverse (3230211111331), we get a palindrome (4561322231654).

The spelling of 1331111120323 in words is "one trillion, three hundred thirty-one billion, one hundred eleven million, one hundred twenty thousand, three hundred twenty-three".