32001431313 has 16 divisors (see below), whose sum is σ = 43841239616. Its totient is φ = 20748467520.

The previous prime is 32001431251. The next prime is 32001431327. The reversal of 32001431313 is 31313410023.

It is not a de Polignac number, because 32001431313 - 2⁹ = 32001430801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32001431313.

It is not an unprimeable number, because it can be changed into a prime (32001431213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191658 + ... + 317388.

It is an arithmetic number, because the mean of its divisors is an integer number (2740077476).

Almost surely, 2^32001431313 is an apocalyptic number.

It is an amenable number.

32001431313 is a deficient number, since it is larger than the sum of its proper divisors (11839808303).

32001431313 is a wasteful number, since it uses less digits than its factorization.

32001431313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128064.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 32001431313 its reverse (31313410023), we get a palindrome (63314841336).

The spelling of 32001431313 in words is "thirty-two billion, one million, four hundred thirty-one thousand, three hundred thirteen".