3111401321 has 8 divisors (see below), whose sum is σ = 3583887360. Its totient is φ = 2645915328.

The previous prime is 3111401309. The next prime is 3111401347. The reversal of 3111401321 is 1231041113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3111401321 - 2⁶ = 3111401257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3111401321.

It is not an unprimeable number, because it can be changed into a prime (3111401921) 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, 1749056 + ... + 1750833.

It is an arithmetic number, because the mean of its divisors is an integer number (447985920).

Almost surely, 2^3111401321 is an apocalyptic number.

It is an amenable number.

3111401321 is a deficient number, since it is larger than the sum of its proper divisors (472486039).

3111401321 is a wasteful number, since it uses less digits than its factorization.

3111401321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500023.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 3111401321 is about 55779.9365453207. The cubic root of 3111401321 is about 1459.8851040190.

Adding to 3111401321 its reverse (1231041113), we get a palindrome (4342442434).

The spelling of 3111401321 in words is "three billion, one hundred eleven million, four hundred one thousand, three hundred twenty-one".