131030112 has 24 divisors (see below), whose sum is σ = 343954296. Its totient is φ = 43676672.

The previous prime is 131030093. The next prime is 131030129. The reversal of 131030112 is 211030131.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 682353 + ... + 682544.

It is an arithmetic number, because the mean of its divisors is an integer number (14331429).

Almost surely, 2^131030112 is an apocalyptic number.

131030112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131030112 is an abundant number, since it is smaller than the sum of its proper divisors (212924184).

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

131030112 is a wasteful number, since it uses less digits than its factorization.

131030112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364910 (or 1364902 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 131030112 is about 11446.8385155029. The cubic root of 131030112 is about 507.9142186775.

Adding to 131030112 its reverse (211030131), we get a palindrome (342060243).

The spelling of 131030112 in words is "one hundred thirty-one million, thirty thousand, one hundred twelve".