131112030 has 64 divisors (see below), whose sum is σ = 360718848. Its totient is φ = 29877120.

The previous prime is 131112019. The next prime is 131112043. The reversal of 131112030 is 30211131.

It is a junction number, because it is equal to n+sod(n) for n = 131111997 and 131112015.

It is a congruent number.

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, 87669 + ... + 89151.

It is an arithmetic number, because the mean of its divisors is an integer number (5636232).

Almost surely, 2^131112030 is an apocalyptic number.

131112030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131112030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180359424).

131112030 is an abundant number, since it is smaller than the sum of its proper divisors (229606818).

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

131112030 is a wasteful number, since it uses less digits than its factorization.

131112030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921.

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

The square root of 131112030 is about 11450.4161496428. The cubic root of 131112030 is about 508.0200433326.

Adding to 131112030 its reverse (30211131), we get a palindrome (161323161).

The spelling of 131112030 in words is "one hundred thirty-one million, one hundred twelve thousand, thirty".