3314221731 has 16 divisors (see below), whose sum is σ = 5123435520. Its totient is φ = 2113416360.

The previous prime is 3314221727. The next prime is 3314221733. The reversal of 3314221731 is 1371224133.

It is a happy number.

It is not a de Polignac number, because 3314221731 - 2² = 3314221727 is a prime.

It is a super-2 number, since 2×3314221731² = 21968131364465272722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3314221695 and 3314221704.

It is not an unprimeable number, because it can be changed into a prime (3314221733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2667835 + ... + 2669076.

It is an arithmetic number, because the mean of its divisors is an integer number (320214720).

It is a self-describing number.

Almost surely, 2^3314221731 is an apocalyptic number.

3314221731 is a deficient number, since it is larger than the sum of its proper divisors (1809213789).

3314221731 is a wasteful number, since it uses less digits than its factorization.

3314221731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336943 (or 5336937 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 3314221731 is about 57569.2776661302. The cubic root of 3314221731 is about 1490.9412143991.

Adding to 3314221731 its reverse (1371224133), we get a palindrome (4685445864).

The spelling of 3314221731 in words is "three billion, three hundred fourteen million, two hundred twenty-one thousand, seven hundred thirty-one".