3113421 has 16 divisors (see below), whose sum is σ = 4313088. Its totient is φ = 1996400.

The previous prime is 3113401. The next prime is 3113437. The reversal of 3113421 is 1243113.

It is a cyclic number.

It is not a de Polignac number, because 3113421 - 2⁵ = 3113389 is a prime.

3113421 is a modest number, since divided by 3421 gives 311 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 3113421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113401) 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, 9856 + ... + 10166.

It is an arithmetic number, because the mean of its divisors is an integer number (269568).

Almost surely, 2^3113421 is an apocalyptic number.

It is an amenable number.

3113421 is a deficient number, since it is larger than the sum of its proper divisors (1199667).

3113421 is a wasteful number, since it uses less digits than its factorization.

3113421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432.

The product of its digits is 72, while the sum is 15.

The square root of 3113421 is about 1764.4888778340. The cubic root of 3113421 is about 146.0200916867.

Adding to 3113421 its reverse (1243113), we get a palindrome (4356534).

The spelling of 3113421 in words is "three million, one hundred thirteen thousand, four hundred twenty-one".