131030032 has 80 divisors (see below), whose sum is σ = 299980800. Its totient is φ = 54288000.

The previous prime is 131029993. The next prime is 131030047. The reversal of 131030032 is 230030131.

It is a junction number, because it is equal to n+sod(n) for n = 131029994 and 131030021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521907 + ... + 522157.

It is an arithmetic number, because the mean of its divisors is an integer number (3749760).

Almost surely, 2^131030032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131030032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149990400).

131030032 is an abundant number, since it is smaller than the sum of its proper divisors (168950768).

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

131030032 is a wasteful number, since it uses less digits than its factorization.

131030032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 131030032 is about 11446.8350210877. The cubic root of 131030032 is about 507.9141153090.

Adding to 131030032 its reverse (230030131), we get a palindrome (361060163).

Subtracting 131030032 from its reverse (230030131), we obtain a palindrome (99000099).

The spelling of 131030032 in words is "one hundred thirty-one million, thirty thousand, thirty-two".