10030312320 has 128 divisors (see below), whose sum is σ = 36539043840. Its totient is φ = 2292639744.

The previous prime is 10030312309. The next prime is 10030312321. The reversal of 10030312320 is 2321303001.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10030312320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030312321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359712 + ... + 386591.

It is an arithmetic number, because the mean of its divisors is an integer number (285461280).

Almost surely, 2^10030312320 is an apocalyptic number.

10030312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10030312320 is an abundant number, since it is smaller than the sum of its proper divisors (26508731520).

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

10030312320 is an equidigital number, since it uses as much as digits as its factorization.

10030312320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746332 (or 746320 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 10030312320 its reverse (2321303001), we get a palindrome (12351615321).

The spelling of 10030312320 in words is "ten billion, thirty million, three hundred twelve thousand, three hundred twenty".