10221431232 has 28 divisors (see below), whose sum is σ = 27044203976. Its totient is φ = 3407143680.

The previous prime is 10221431179. The next prime is 10221431243. The reversal of 10221431232 is 23213412201.

It is a junction number, because it is equal to n+sod(n) for n = 10221431199 and 10221431208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26618119 + ... + 26618502.

Almost surely, 2^10221431232 is an apocalyptic number.

10221431232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10221431232 is an abundant number, since it is smaller than the sum of its proper divisors (16822772744).

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

10221431232 is an equidigital number, since it uses as much as digits as its factorization.

10221431232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53236636 (or 53236626 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 10221431232 its reverse (23213412201), we get a palindrome (33434843433).

The spelling of 10221431232 in words is "ten billion, two hundred twenty-one million, four hundred thirty-one thousand, two hundred thirty-two".