32131243432 has 32 divisors (see below), whose sum is σ = 63052142400. Its totient is φ = 15321487104.

The previous prime is 32131243427. The next prime is 32131243439. The reversal of 32131243432 is 23434213123.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 32131243432.

It is not an unprimeable number, because it can be changed into a prime (32131243439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197082 + ... + 321097.

It is an arithmetic number, because the mean of its divisors is an integer number (1970379450).

Almost surely, 2^32131243432 is an apocalyptic number.

It is an amenable number.

32131243432 is a deficient number, since it is larger than the sum of its proper divisors (30920898968).

32131243432 is a wasteful number, since it uses less digits than its factorization.

32131243432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518545 (or 518541 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

Adding to 32131243432 its reverse (23434213123), we get a palindrome (55565456555).

The spelling of 32131243432 in words is "thirty-two billion, one hundred thirty-one million, two hundred forty-three thousand, four hundred thirty-two".