32312051551 has 8 divisors (see below), whose sum is σ = 35188579440. Its totient is φ = 29491378752.

The previous prime is 32312051531. The next prime is 32312051587. The reversal of 32312051551 is 15515021323.

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

It is a cyclic number.

It is not a de Polignac number, because 32312051551 - 2¹⁷ = 32311920479 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 (32312051531) 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, 13962565 + ... + 13964878.

It is an arithmetic number, because the mean of its divisors is an integer number (4398572430).

Almost surely, 2^32312051551 is an apocalyptic number.

32312051551 is a deficient number, since it is larger than the sum of its proper divisors (2876527889).

32312051551 is a wasteful number, since it uses less digits than its factorization.

32312051551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27927545.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 32312051551 its reverse (15515021323), we get a palindrome (47827072874).

The spelling of 32312051551 in words is "thirty-two billion, three hundred twelve million, fifty-one thousand, five hundred fifty-one".