10231421320 has 32 divisors (see below), whose sum is σ = 23235854400. Its totient is φ = 4054318528.

The previous prime is 10231421297. The next prime is 10231421329. The reversal of 10231421320 is 2312413201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10231421329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190980 + ... + 1199539.

It is an arithmetic number, because the mean of its divisors is an integer number (726120450).

Almost surely, 2^10231421320 is an apocalyptic number.

10231421320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10231421320 is an abundant number, since it is smaller than the sum of its proper divisors (13004433080).

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

10231421320 is a wasteful number, since it uses less digits than its factorization.

10231421320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390637 (or 2390633 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10231421320 its reverse (2312413201), we get a palindrome (12543834521).

The spelling of 10231421320 in words is "ten billion, two hundred thirty-one million, four hundred twenty-one thousand, three hundred twenty".