151004204321 has 4 divisors (see below), whose sum is σ = 151005202452. Its totient is φ = 151003206192.

The previous prime is 151004204279. The next prime is 151004204333. The reversal of 151004204321 is 123402400151.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 82024960000 + 68979244321 = 286400^2 + 262639^2 .

It is a cyclic number.

It is not a de Polignac number, because 151004204321 - 2⁶ = 151004204257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151004204521) 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, 220190 + ... + 592023.

It is an arithmetic number, because the mean of its divisors is an integer number (37751300613).

Almost surely, 2^151004204321 is an apocalyptic number.

It is an amenable number.

151004204321 is a deficient number, since it is larger than the sum of its proper divisors (998131).

151004204321 is an equidigital number, since it uses as much as digits as its factorization.

151004204321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998130.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 151004204321 its reverse (123402400151), we get a palindrome (274406604472).

The spelling of 151004204321 in words is "one hundred fifty-one billion, four million, two hundred four thousand, three hundred twenty-one".