321131552054 has 8 divisors (see below), whose sum is σ = 487109657880. Its totient is φ = 158761666096.

The previous prime is 321131552033. The next prime is 321131552081. The reversal of 321131552054 is 450255131123.

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

It is a super-2 number, since 2×321131552054² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 321131552054.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902054744 + ... + 902055099.

It is an arithmetic number, because the mean of its divisors is an integer number (60888707235).

Almost surely, 2^321131552054 is an apocalyptic number.

321131552054 is a deficient number, since it is larger than the sum of its proper divisors (165978105826).

321131552054 is a wasteful number, since it uses less digits than its factorization.

321131552054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804109934.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 321131552054 its reverse (450255131123), we get a palindrome (771386683177).

The spelling of 321131552054 in words is "three hundred twenty-one billion, one hundred thirty-one million, five hundred fifty-two thousand, fifty-four".