32131056 has 80 divisors (see below), whose sum is σ = 85938944. Its totient is φ = 10340352.

The previous prime is 32131051. The next prime is 32131061. The reversal of 32131056 is 65013123.

It is an interprime number because it is at equal distance from previous prime (32131051) and next prime (32131061).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311901 + ... + 312003.

Almost surely, 2^32131056 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 32131056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42969472).

32131056 is an abundant number, since it is smaller than the sum of its proper divisors (53807888).

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

32131056 is a wasteful number, since it uses less digits than its factorization.

32131056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 32131056 is about 5668.4262366198. The cubic root of 32131056 is about 317.9130334552.

Adding to 32131056 its reverse (65013123), we get a palindrome (97144179).

The spelling of 32131056 in words is "thirty-two million, one hundred thirty-one thousand, fifty-six".