32340431021 has 16 divisors (see below), whose sum is σ = 33408936000. Its totient is φ = 31287717888.

The previous prime is 32340431003. The next prime is 32340431027. The reversal of 32340431021 is 12013404323.

It is a cyclic number.

It is not a de Polignac number, because 32340431021 - 2¹⁴ = 32340414637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32340431027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1969955 + ... + 1986303.

It is an arithmetic number, because the mean of its divisors is an integer number (2088058500).

Almost surely, 2^32340431021 is an apocalyptic number.

It is an amenable number.

32340431021 is a deficient number, since it is larger than the sum of its proper divisors (1068504979).

32340431021 is a wasteful number, since it uses less digits than its factorization.

32340431021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16828.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 32340431021 its reverse (12013404323), we get a palindrome (44353835344).

The spelling of 32340431021 in words is "thirty-two billion, three hundred forty million, four hundred thirty-one thousand, twenty-one".