10131023112 has 128 divisors (see below), whose sum is σ = 30690109440. Its totient is φ = 2720609280.

The previous prime is 10131023099. The next prime is 10131023143. The reversal of 10131023112 is 21132013101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10131023091 and 10131023100.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2588437 + ... + 2592347.

It is an arithmetic number, because the mean of its divisors is an integer number (239766480).

Almost surely, 2^10131023112 is an apocalyptic number.

10131023112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10131023112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15345054720).

10131023112 is an abundant number, since it is smaller than the sum of its proper divisors (20559086328).

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

10131023112 is a wasteful number, since it uses less digits than its factorization.

10131023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4851 (or 4847 counting only the distinct ones).

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

Adding to 10131023112 its reverse (21132013101), we get a palindrome (31263036213).

The spelling of 10131023112 in words is "ten billion, one hundred thirty-one million, twenty-three thousand, one hundred twelve".