32120220323231 has 8 divisors (see below), whose sum is σ = 33810817476720. Its totient is φ = 30429629093952.

The previous prime is 32120220323173. The next prime is 32120220323237. The reversal of 32120220323231 is 13232302202123.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32120220323231 is a prime.

It is a super-2 number, since 2×32120220323231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32120220323231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120220323237) 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, 13570091 + ... + 15760323.

It is an arithmetic number, because the mean of its divisors is an integer number (4226352184590).

Almost surely, 2^{32120220323231} is an apocalyptic number.

32120220323231 is a deficient number, since it is larger than the sum of its proper divisors (1690597153489).

32120220323231 is a wasteful number, since it uses less digits than its factorization.

32120220323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2962105.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 32120220323231 its reverse (13232302202123), we get a palindrome (45352522525354).

The spelling of 32120220323231 in words is "thirty-two trillion, one hundred twenty billion, two hundred twenty million, three hundred twenty-three thousand, two hundred thirty-one".