4312031220424 has 32 divisors (see below), whose sum is σ = 8346235852800. Its totient is φ = 2086374476160.

The previous prime is 4312031220403. The next prime is 4312031220433. The reversal of 4312031220424 is 4240221302134.

It is a super-2 number, since 2×4312031220424² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4312031220392 and 4312031220401.

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, 5412412 + ... + 6157780.

It is an arithmetic number, because the mean of its divisors is an integer number (260819870400).

Almost surely, 2^{4312031220424} is an apocalyptic number.

It is an amenable number.

4312031220424 is a deficient number, since it is larger than the sum of its proper divisors (4034204632376).

4312031220424 is a wasteful number, since it uses less digits than its factorization.

4312031220424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768733 (or 768729 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4312031220424 its reverse (4240221302134), we get a palindrome (8552252522558).

The spelling of 4312031220424 in words is "four trillion, three hundred twelve billion, thirty-one million, two hundred twenty thousand, four hundred twenty-four".