2321220133013 has 8 divisors (see below), whose sum is σ = 2322940904856. Its totient is φ = 2319499571200.

The previous prime is 2321220133007. The next prime is 2321220133049. The reversal of 2321220133013 is 3103310221232.

It can be written as a sum of positive squares in 4 ways, for example, as 510427371364 + 1810792761649 = 714442^2 + 1345657^2 .

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 2321220133013 - 2⁶ = 2321220132949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2321220133013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321220133003) 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, 27227093 + ... + 27312213.

It is an arithmetic number, because the mean of its divisors is an integer number (290367613107).

Almost surely, 2^{2321220133013} is an apocalyptic number.

It is an amenable number.

2321220133013 is a deficient number, since it is larger than the sum of its proper divisors (1720771843).

2321220133013 is a wasteful number, since it uses less digits than its factorization.

2321220133013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105015.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2321220133013 its reverse (3103310221232), we get a palindrome (5424530354245).

The spelling of 2321220133013 in words is "two trillion, three hundred twenty-one billion, two hundred twenty million, one hundred thirty-three thousand, thirteen".