10320431215 has 4 divisors (see below), whose sum is σ = 12384517464. Its totient is φ = 8256344968.

The previous prime is 10320431159. The next prime is 10320431243. The reversal of 10320431215 is 51213402301.

It is a happy number.

10320431215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51213402301 = 22613 ⋅2264777.

It is a cyclic number.

It is not a de Polignac number, because 10320431215 - 2²³ = 10312042607 is a prime.

It is a super-2 number, since 2×10320431215² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032043117 + ... + 1032043126.

It is an arithmetic number, because the mean of its divisors is an integer number (3096129366).

Almost surely, 2^10320431215 is an apocalyptic number.

10320431215 is a deficient number, since it is larger than the sum of its proper divisors (2064086249).

10320431215 is an equidigital number, since it uses as much as digits as its factorization.

10320431215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064086248.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 10320431215 its reverse (51213402301), we get a palindrome (61533833516).

The spelling of 10320431215 in words is "ten billion, three hundred twenty million, four hundred thirty-one thousand, two hundred fifteen".