10320344421 has 16 divisors (see below), whose sum is σ = 14361753984. Its totient is φ = 6579707904.

The previous prime is 10320344393. The next prime is 10320344423. The reversal of 10320344421 is 12444302301.

It is not a de Polignac number, because 10320344421 - 2⁵ = 10320344389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10320344391 and 10320344400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10320344423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391365 + ... + 416901.

It is an arithmetic number, because the mean of its divisors is an integer number (897609624).

Almost surely, 2^10320344421 is an apocalyptic number.

It is an amenable number.

10320344421 is a deficient number, since it is larger than the sum of its proper divisors (4041409563).

10320344421 is a wasteful number, since it uses less digits than its factorization.

10320344421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31420.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 10320344421 its reverse (12444302301), we get a palindrome (22764646722).

The spelling of 10320344421 in words is "ten billion, three hundred twenty million, three hundred forty-four thousand, four hundred twenty-one".