3101231321321 has 24 divisors (see below), whose sum is σ = 3675523521600. Its totient is φ = 2608545966432.

The previous prime is 3101231321303. The next prime is 3101231321323. The reversal of 3101231321321 is 1231231321013.

It is not a de Polignac number, because 3101231321321 - 2¹⁴ = 3101231304937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3101231321323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1952861 + ... + 3164826.

It is an arithmetic number, because the mean of its divisors is an integer number (153146813400).

Almost surely, 2^{3101231321321} is an apocalyptic number.

It is an amenable number.

3101231321321 is a deficient number, since it is larger than the sum of its proper divisors (574292200279).

3101231321321 is a wasteful number, since it uses less digits than its factorization.

3101231321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117933 (or 5117926 counting only the distinct ones).

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

Adding to 3101231321321 its reverse (1231231321013), we get a palindrome (4332462642334).

The spelling of 3101231321321 in words is "three trillion, one hundred one billion, two hundred thirty-one million, three hundred twenty-one thousand, three hundred twenty-one".