32131001100 has 144 divisors (see below), whose sum is σ = 102807169920. Its totient is φ = 7682572800.

The previous prime is 32131001053. The next prime is 32131001171. The reversal of 32131001100 is 110013123.

It is a super-3 number, since 3×32131001100³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 174211 + ... + 307589.

It is an arithmetic number, because the mean of its divisors is an integer number (713938680).

Almost surely, 2^32131001100 is an apocalyptic number.

32131001100 is a gapful number since it is divisible by the number (30) 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 32131001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51403584960).

32131001100 is an abundant number, since it is smaller than the sum of its proper divisors (70676168820).

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

32131001100 is a wasteful number, since it uses less digits than its factorization.

32131001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133480 (or 133473 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 32131001100 its reverse (110013123), we get a palindrome (32241014223).

The spelling of 32131001100 in words is "thirty-two billion, one hundred thirty-one million, one thousand, one hundred".