1321013022331 has 8 divisors (see below), whose sum is σ = 1422914448384. Its totient is φ = 1222817102760.

The previous prime is 1321013022323. The next prime is 1321013022349. The reversal of 1321013022331 is 1332203101231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1321013022331 - 2³ = 1321013022323 is a prime.

It is a super-2 number, since 2×1321013022331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321013022731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926375881 + ... + 926377306.

It is an arithmetic number, because the mean of its divisors is an integer number (177864306048).

Almost surely, 2^{1321013022331} is an apocalyptic number.

1321013022331 is a deficient number, since it is larger than the sum of its proper divisors (101901426053).

1321013022331 is a wasteful number, since it uses less digits than its factorization.

1321013022331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852753241.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1321013022331 its reverse (1332203101231), we get a palindrome (2653216123562).

The spelling of 1321013022331 in words is "one trillion, three hundred twenty-one billion, thirteen million, twenty-two thousand, three hundred thirty-one".