320231533012450 has 24 divisors (see below), whose sum is σ = 595875063058452. Its totient is φ = 128040051558720.

The previous prime is 320231533012441. The next prime is 320231533012451. The reversal of 320231533012450 is 54210335132023.

It can be written as a sum of positive squares in 6 ways, for example, as 197388646943049 + 122842886069401 = 14049507^2 + 11083451^2 .

It is not an unprimeable number, because it can be changed into a prime (320231533012451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1313918089 + ... + 1314161788.

Almost surely, 2^{320231533012450} is an apocalyptic number.

320231533012450 is a deficient number, since it is larger than the sum of its proper divisors (275643530046002).

320231533012450 is a wasteful number, since it uses less digits than its factorization.

320231533012450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628082326 (or 2628082321 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 320231533012450 its reverse (54210335132023), we get a palindrome (374441868144473).

The spelling of 320231533012450 in words is "three hundred twenty trillion, two hundred thirty-one billion, five hundred thirty-three million, twelve thousand, four hundred fifty".