3113020203321 has 16 divisors (see below), whose sum is σ = 4756035354624. Its totient is φ = 1774224117264.

The previous prime is 3113020203269. The next prime is 3113020203361. The reversal of 3113020203321 is 1233020203113.

It is not a de Polignac number, because 3113020203321 - 2⁷ = 3113020203193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (3113020203361) 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, 193515531 + ... + 193531616.

It is an arithmetic number, because the mean of its divisors is an integer number (297252209664).

Almost surely, 2^{3113020203321} is an apocalyptic number.

It is an amenable number.

3113020203321 is a deficient number, since it is larger than the sum of its proper divisors (1643015151303).

3113020203321 is a wasteful number, since it uses less digits than its factorization.

3113020203321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387047540.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 3113020203321 its reverse (1233020203113), we get a palindrome (4346040406434).

The spelling of 3113020203321 in words is "three trillion, one hundred thirteen billion, twenty million, two hundred three thousand, three hundred twenty-one".