3113032321021 has 4 divisors (see below), whose sum is σ = 3557751224032. Its totient is φ = 2668313418012.

The previous prime is 3113032321013. The next prime is 3113032321051. The reversal of 3113032321021 is 1201232303113.

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 3113032321021 - 2³ = 3113032321013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3113032320983 and 3113032321001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113032321051) 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, 222359451495 + ... + 222359451508.

It is an arithmetic number, because the mean of its divisors is an integer number (889437806008).

Almost surely, 2^{3113032321021} is an apocalyptic number.

It is an amenable number.

3113032321021 is a deficient number, since it is larger than the sum of its proper divisors (444718903011).

3113032321021 is an equidigital number, since it uses as much as digits as its factorization.

3113032321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444718903010.

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

Adding to 3113032321021 its reverse (1201232303113), we get a palindrome (4314264624134).

The spelling of 3113032321021 in words is "three trillion, one hundred thirteen billion, thirty-two million, three hundred twenty-one thousand, twenty-one".