10321031120 has 20 divisors (see below), whose sum is σ = 23996397540. Its totient is φ = 4128412416.

The previous prime is 10321031101. The next prime is 10321031191. The reversal of 10321031120 is 2113012301.

It can be written as a sum of positive squares in 2 ways, for example, as 7539101584 + 2781929536 = 86828^2 + 52744^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 10321031095 and 10321031104.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 64506365 + ... + 64506524.

It is an arithmetic number, because the mean of its divisors is an integer number (1199819877).

Almost surely, 2^10321031120 is an apocalyptic number.

10321031120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10321031120 is an abundant number, since it is smaller than the sum of its proper divisors (13675366420).

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

10321031120 is a wasteful number, since it uses less digits than its factorization.

10321031120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129012902 (or 129012896 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 10321031120 its reverse (2113012301), we get a palindrome (12434043421).

The spelling of 10321031120 in words is "ten billion, three hundred twenty-one million, thirty-one thousand, one hundred twenty".