3031221424 has 40 divisors (see below), whose sum is σ = 7322174208. Its totient is φ = 1180994880.

The previous prime is 3031221419. The next prime is 3031221461. The reversal of 3031221424 is 4241221303.

It is a super-3 number, since 3×3031221424³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 3031221395 and 3031221404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228972 + ... + 1231435.

Almost surely, 2^3031221424 is an apocalyptic number.

It is an amenable number.

3031221424 is an abundant number, since it is smaller than the sum of its proper divisors (4290952784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3031221424 is a wasteful number, since it uses less digits than its factorization.

3031221424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460433 (or 2460427 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 3031221424 is about 55056.5293493878. The cubic root of 3031221424 is about 1447.2355452259.

Adding to 3031221424 its reverse (4241221303), we get a palindrome (7272442727).

The spelling of 3031221424 in words is "three billion, thirty-one million, two hundred twenty-one thousand, four hundred twenty-four".