131020103112 has 32 divisors (see below), whose sum is σ = 327582208800. Its totient is φ = 43669107584.

The previous prime is 131020103089. The next prime is 131020103173. The reversal of 131020103112 is 211301020131.

It is a happy number.

It is a super-2 number, since 2×131020103112² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131020103091 and 131020103100.

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, 10062 + ... + 511997.

It is an arithmetic number, because the mean of its divisors is an integer number (10236944025).

Almost surely, 2^131020103112 is an apocalyptic number.

131020103112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131020103112 is an abundant number, since it is smaller than the sum of its proper divisors (196562105688).

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

131020103112 is a wasteful number, since it uses less digits than its factorization.

131020103112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532525 (or 532521 counting only the distinct ones).

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

Adding to 131020103112 its reverse (211301020131), we get a palindrome (342321123243).

The spelling of 131020103112 in words is "one hundred thirty-one billion, twenty million, one hundred three thousand, one hundred twelve".