32131001016 has 96 divisors (see below), whose sum is σ = 88156823040. Its totient is φ = 10571468544.

The previous prime is 32131001009. The next prime is 32131001017. The reversal of 32131001016 is 61010013123.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 32131001016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32131001017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1792450 + ... + 1810286.

It is an arithmetic number, because the mean of its divisors is an integer number (918300240).

Almost surely, 2^32131001016 is an apocalyptic number.

32131001016 is a gapful number since it is divisible by the number (36) 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 32131001016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44078411520).

32131001016 is an abundant number, since it is smaller than the sum of its proper divisors (56025822024).

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

32131001016 is a wasteful number, since it uses less digits than its factorization.

32131001016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18173 (or 18166 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 32131001016 its reverse (61010013123), we get a palindrome (93141014139).

The spelling of 32131001016 in words is "thirty-two billion, one hundred thirty-one million, one thousand, sixteen".