10315420321 has 8 divisors (see below), whose sum is σ = 11232763200. Its totient is φ = 9435520080.

The previous prime is 10315420303. The next prime is 10315420333. The reversal of 10315420321 is 12302451301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10315420321 - 2⁹ = 10315419809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10315420292 and 10315420301.

It is not an unprimeable number, because it can be changed into a prime (10315420391) 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, 9360085 + ... + 9361186.

It is an arithmetic number, because the mean of its divisors is an integer number (1404095400).

Almost surely, 2^10315420321 is an apocalyptic number.

It is an amenable number.

10315420321 is a deficient number, since it is larger than the sum of its proper divisors (917342879).

10315420321 is a wasteful number, since it uses less digits than its factorization.

10315420321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18721319.

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

Adding to 10315420321 its reverse (12302451301), we get a palindrome (22617871622).

The spelling of 10315420321 in words is "ten billion, three hundred fifteen million, four hundred twenty thousand, three hundred twenty-one".