10320231421 has 12 divisors (see below), whose sum is σ = 11033186944. Its totient is φ = 9642906000.

The previous prime is 10320231419. The next prime is 10320231437. The reversal of 10320231421 is 12413202301.

It is a happy number.

It is not a de Polignac number, because 10320231421 - 2¹ = 10320231419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320231451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171855 + ... + 223996.

Almost surely, 2^10320231421 is an apocalyptic number.

It is an amenable number.

10320231421 is a deficient number, since it is larger than the sum of its proper divisors (712955523).

10320231421 is an equidigital number, since it uses as much as digits as its factorization.

10320231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395940 (or 395911 counting only the distinct ones).

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

Adding to 10320231421 its reverse (12413202301), we get a palindrome (22733433722).

The spelling of 10320231421 in words is "ten billion, three hundred twenty million, two hundred thirty-one thousand, four hundred twenty-one".