3111421 has 8 divisors (see below), whose sum is σ = 3316320. Its totient is φ = 2910672.

The previous prime is 3111419. The next prime is 3111431. The reversal of 3111421 is 1241113.

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

It is a cyclic number.

It is not a de Polignac number, because 3111421 - 2¹ = 3111419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591 + ... + 2563.

It is an arithmetic number, because the mean of its divisors is an integer number (414540).

Almost surely, 2^3111421 is an apocalyptic number.

It is an amenable number.

3111421 is a deficient number, since it is larger than the sum of its proper divisors (204899).

3111421 is a wasteful number, since it uses less digits than its factorization.

3111421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075.

The product of its digits is 24, while the sum is 13.

The square root of 3111421 is about 1763.9220504319. The cubic root of 3111421 is about 145.9888181841.

Adding to 3111421 its reverse (1241113), we get a palindrome (4352534).

The spelling of 3111421 in words is "three million, one hundred eleven thousand, four hundred twenty-one".