131112330 has 64 divisors (see below), whose sum is σ = 343968768. Its totient is φ = 31841280.

The previous prime is 131112329. The next prime is 131112341. The reversal of 131112330 is 33211131.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 11664 + ... + 19956.

It is an arithmetic number, because the mean of its divisors is an integer number (5374512).

Almost surely, 2^131112330 is an apocalyptic number.

131112330 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 131112330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171984384).

131112330 is an abundant number, since it is smaller than the sum of its proper divisors (212856438).

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

131112330 is a wasteful number, since it uses less digits than its factorization.

131112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8351.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 131112330 is about 11450.4292495958. The cubic root of 131112330 is about 508.0204308025.

Adding to 131112330 its reverse (33211131), we get a palindrome (164323461).

The spelling of 131112330 in words is "one hundred thirty-one million, one hundred twelve thousand, three hundred thirty".