3031223420 has 24 divisors (see below), whose sum is σ = 6740015184. Its totient is φ = 1141166336.

The previous prime is 3031223399. The next prime is 3031223441. The reversal of 3031223420 is 243221303.

It is an interprime number because it is at equal distance from previous prime (3031223399) and next prime (3031223441).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3031223392 and 3031223401.

It is a congruent number.

It is an unprimeable number.

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, 4457342 + ... + 4458021.

It is an arithmetic number, because the mean of its divisors is an integer number (280833966).

Almost surely, 2^3031223420 is an apocalyptic number.

It is an amenable number.

3031223420 is an abundant number, since it is smaller than the sum of its proper divisors (3708791764).

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

3031223420 is a wasteful number, since it uses less digits than its factorization.

3031223420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8915389 (or 8915387 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3031223420 is about 55056.5474762085. The cubic root of 3031223420 is about 1447.2358628846.

Adding to 3031223420 its reverse (243221303), we get a palindrome (3274444723).

The spelling of 3031223420 in words is "three billion, thirty-one million, two hundred twenty-three thousand, four hundred twenty".