3111421325 has 24 divisors (see below), whose sum is σ = 3961996416. Its totient is φ = 2422448000.

The previous prime is 3111421321. The next prime is 3111421343. The reversal of 3111421325 is 5231241113.

3111421325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3111421325 - 2² = 3111421321 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 3111421325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111421321) 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, 438254 + ... + 445296.

It is an arithmetic number, because the mean of its divisors is an integer number (165083184).

Almost surely, 2^3111421325 is an apocalyptic number.

It is an amenable number.

3111421325 is a deficient number, since it is larger than the sum of its proper divisors (850575091).

3111421325 is a wasteful number, since it uses less digits than its factorization.

3111421325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525 (or 7520 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 3111421325 is about 55780.1158568177. The cubic root of 3111421325 is about 1459.8882326713. Note that the first 3 decimals are identical.

Adding to 3111421325 its reverse (5231241113), we get a palindrome (8342662438).

The spelling of 3111421325 in words is "three billion, one hundred eleven million, four hundred twenty-one thousand, three hundred twenty-five".