3123220001311 has 6 divisors (see below), whose sum is σ = 3296251580712. Its totient is φ = 2958840000900.

The previous prime is 3123220001309. The next prime is 3123220001323. The reversal of 3123220001311 is 1131000223213.

It is not a de Polignac number, because 3123220001311 - 2¹ = 3123220001309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123220001371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4325789115 + ... + 4325789836.

It is an arithmetic number, because the mean of its divisors is an integer number (549375263452).

Almost surely, 2^{3123220001311} is an apocalyptic number.

3123220001311 is a deficient number, since it is larger than the sum of its proper divisors (173031579401).

3123220001311 is an equidigital number, since it uses as much as digits as its factorization.

3123220001311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8651578989 (or 8651578970 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 3123220001311 its reverse (1131000223213), we get a palindrome (4254220224524).

The spelling of 3123220001311 in words is "three trillion, one hundred twenty-three billion, two hundred twenty million, one thousand, three hundred eleven".