32131251234 has 160 divisors (see below), whose sum is σ = 80747694720. Its totient is φ = 9490079232.

The previous prime is 32131251223. The next prime is 32131251281. The reversal of 32131251234 is 43215213123.

32131251234 is a `hidden beast` number, since 321 + 312 + 5 + 1 + 23 + 4 = 666.

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 = 32131251198 and 32131251207.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8736604 + ... + 8740280.

It is an arithmetic number, because the mean of its divisors is an integer number (504673092).

Almost surely, 2^32131251234 is an apocalyptic number.

32131251234 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32131251234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40373847360).

32131251234 is an abundant number, since it is smaller than the sum of its proper divisors (48616443486).

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

32131251234 is a wasteful number, since it uses less digits than its factorization.

32131251234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3894 (or 3885 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

Adding to 32131251234 its reverse (43215213123), we get a palindrome (75346464357).

The spelling of 32131251234 in words is "thirty-two billion, one hundred thirty-one million, two hundred fifty-one thousand, two hundred thirty-four".