10131112320 has 128 divisors (see below), whose sum is σ = 36906243840. Its totient is φ = 2315679744.

The previous prime is 10131112319. The next prime is 10131112337. The reversal of 10131112320 is 2321113101.

It is a happy number.

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 10131112320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363462 + ... + 390341.

It is an arithmetic number, because the mean of its divisors is an integer number (288330030).

Almost surely, 2^10131112320 is an apocalyptic number.

10131112320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10131112320 is an abundant number, since it is smaller than the sum of its proper divisors (26775131520).

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

10131112320 is an equidigital number, since it uses as much as digits as its factorization.

10131112320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753832 (or 753820 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10131112320 its reverse (2321113101), we get a palindrome (12452225421).

The spelling of 10131112320 in words is "ten billion, one hundred thirty-one million, one hundred twelve thousand, three hundred twenty".