32120320311 has 32 divisors (see below), whose sum is σ = 47729177600. Its totient is φ = 21349085760.

The previous prime is 32120320301. The next prime is 32120320333. The reversal of 32120320311 is 11302302123.

32120320311 is a `hidden beast` number, since 32 + 1 + 2 + 0 + 320 + 311 = 666.

It is not a de Polignac number, because 32120320311 - 2³⁰ = 31046578487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120320301) 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 31 ways as a sum of consecutive naturals, for example, 19383795 + ... + 19385451.

It is an arithmetic number, because the mean of its divisors is an integer number (1491536800).

Almost surely, 2^32120320311 is an apocalyptic number.

32120320311 is a deficient number, since it is larger than the sum of its proper divisors (15608857289).

32120320311 is a wasteful number, since it uses less digits than its factorization.

32120320311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396 (or 3390 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 32120320311 its reverse (11302302123), we get a palindrome (43422622434).

The spelling of 32120320311 in words is "thirty-two billion, one hundred twenty million, three hundred twenty thousand, three hundred eleven".