320237318451 has 12 divisors (see below), whose sum is σ = 429720150552. Its totient is φ = 212131677888.

The previous prime is 320237318447. The next prime is 320237318459. The reversal of 320237318451 is 154813732023.

It is not a de Polignac number, because 320237318451 - 2² = 320237318447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320237318459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2091370 + ... + 2239263.

It is an arithmetic number, because the mean of its divisors is an integer number (35810012546).

Almost surely, 2^320237318451 is an apocalyptic number.

320237318451 is a deficient number, since it is larger than the sum of its proper divisors (109482832101).

320237318451 is an equidigital number, since it uses as much as digits as its factorization.

320237318451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330950 (or 4330793 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 320237318451 in words is "three hundred twenty billion, two hundred thirty-seven million, three hundred eighteen thousand, four hundred fifty-one".