321050145344 has 28 divisors (see below), whose sum is σ = 637102065900. Its totient is φ = 160520491008.

The previous prime is 321050145341. The next prime is 321050145397. The reversal of 321050145344 is 443541050123.

It can be written as a sum of positive squares in 2 ways, for example, as 226850258944 + 94199886400 = 476288^2 + 306920^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 321050145344.

It is not an unprimeable number, because it can be changed into a prime (321050145341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3873812 + ... + 3955820.

Almost surely, 2^321050145344 is an apocalyptic number.

It is an amenable number.

321050145344 is a deficient number, since it is larger than the sum of its proper divisors (316051920556).

321050145344 is an equidigital number, since it uses as much as digits as its factorization.

321050145344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143190 (or 143180 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 321050145344 its reverse (443541050123), we get a palindrome (764591195467).

The spelling of 321050145344 in words is "three hundred twenty-one billion, fifty million, one hundred forty-five thousand, three hundred forty-four".