320133342451 has 8 divisors (see below), whose sum is σ = 344820375200. Its totient is φ = 295455079872.

The previous prime is 320133342449. The next prime is 320133342457. The reversal of 320133342451 is 154243331023.

It is a happy number.

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 320133342451 - 2¹ = 320133342449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320133342457) 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, 2116626 + ... + 2262823.

It is an arithmetic number, because the mean of its divisors is an integer number (43102546900).

Almost surely, 2^320133342451 is an apocalyptic number.

320133342451 is a deficient number, since it is larger than the sum of its proper divisors (24687032749).

320133342451 is a wasteful number, since it uses less digits than its factorization.

320133342451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4385085.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 320133342451 its reverse (154243331023), we get a palindrome (474376673474).

The spelling of 320133342451 in words is "three hundred twenty billion, one hundred thirty-three million, three hundred forty-two thousand, four hundred fifty-one".