131069232 has 160 divisors (see below), whose sum is σ = 435686400. Its totient is φ = 36951552.

The previous prime is 131069221. The next prime is 131069233. The reversal of 131069232 is 232960131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 131069196 and 131069205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131069233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268893 + ... + 269379.

It is an arithmetic number, because the mean of its divisors is an integer number (2723040).

Almost surely, 2^131069232 is an apocalyptic number.

131069232 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 131069232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217843200).

131069232 is an abundant number, since it is smaller than the sum of its proper divisors (304617168).

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

131069232 is a wasteful number, since it uses less digits than its factorization.

131069232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 131069232 is about 11448.5471567357. The cubic root of 131069232 is about 507.9647608184.

The spelling of 131069232 in words is "one hundred thirty-one million, sixty-nine thousand, two hundred thirty-two".