32312021133 has 8 divisors (see below), whose sum is σ = 49237365568. Its totient is φ = 18464012064.

The previous prime is 32312021111. The next prime is 32312021143. The reversal of 32312021133 is 33112021323.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32312021133 - 2⁸ = 32312020877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1538667673 = 32312021133 / (3 + 2 + 3 + 1 + 2 + 0 + 2 + 1 + 1 + 3 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32312021143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769333816 + ... + 769333857.

It is an arithmetic number, because the mean of its divisors is an integer number (6154670696).

Almost surely, 2^32312021133 is an apocalyptic number.

It is an amenable number.

32312021133 is a deficient number, since it is larger than the sum of its proper divisors (16925344435).

32312021133 is a wasteful number, since it uses less digits than its factorization.

32312021133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538667683.

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

Adding to 32312021133 its reverse (33112021323), we get a palindrome (65424042456).

The spelling of 32312021133 in words is "thirty-two billion, three hundred twelve million, twenty-one thousand, one hundred thirty-three".