32121453331 has 16 divisors (see below), whose sum is σ = 35313418368. Its totient is φ = 28974990400.

The previous prime is 32121453323. The next prime is 32121453361. The reversal of 32121453331 is 13335412123.

It is a cyclic number.

It is not a de Polignac number, because 32121453331 - 2³ = 32121453323 is a prime.

It is a super-2 number, since 2×32121453331² (a number of 22 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 32121453331.

It is not an unprimeable number, because it can be changed into a prime (32121453361) 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, 5076936 + ... + 5083258.

It is an arithmetic number, because the mean of its divisors is an integer number (2207088648).

Almost surely, 2^32121453331 is an apocalyptic number.

32121453331 is a deficient number, since it is larger than the sum of its proper divisors (3191965037).

32121453331 is a wasteful number, since it uses less digits than its factorization.

32121453331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9842.

The product of its digits is 6480, while the sum is 28.

Adding to 32121453331 its reverse (13335412123), we get a palindrome (45456865454).

It can be divided in two parts, 321214 and 53331, that added together give a triangular number (374545 = T₈₆₅).

The spelling of 32121453331 in words is "thirty-two billion, one hundred twenty-one million, four hundred fifty-three thousand, three hundred thirty-one".