32001431320 has 32 divisors (see below), whose sum is σ = 72013744800. Its totient is φ = 12798701568.

The previous prime is 32001431251. The next prime is 32001431327. The reversal of 32001431320 is 2313410023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32001431327) 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, 237061 + ... + 346699.

It is an arithmetic number, because the mean of its divisors is an integer number (2250429525).

Almost surely, 2^32001431320 is an apocalyptic number.

It is an amenable number.

32001431320 is an abundant number, since it is smaller than the sum of its proper divisors (40012313480).

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

32001431320 is a wasteful number, since it uses less digits than its factorization.

32001431320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116947 (or 116943 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 32001431320 its reverse (2313410023), we get a palindrome (34314841343).

The spelling of 32001431320 in words is "thirty-two billion, one million, four hundred thirty-one thousand, three hundred twenty".