10312131120 has 40 divisors (see below), whose sum is σ = 31967607216. Its totient is φ = 2749901568.

The previous prime is 10312131119. The next prime is 10312131143. The reversal of 10312131120 is 2113121301.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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 10312131120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21483367 + ... + 21483846.

Almost surely, 2^10312131120 is an apocalyptic number.

10312131120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10312131120 is an abundant number, since it is smaller than the sum of its proper divisors (21655476096).

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

10312131120 is a wasteful number, since it uses less digits than its factorization.

10312131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42967229 (or 42967223 counting only the distinct ones).

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

Adding to 10312131120 its reverse (2113121301), we get a palindrome (12425252421).

The spelling of 10312131120 in words is "ten billion, three hundred twelve million, one hundred thirty-one thousand, one hundred twenty".