1204230331 has 4 divisors (see below), whose sum is σ = 1226951712. Its totient is φ = 1181508952.

The previous prime is 1204230299. The next prime is 1204230347. The reversal of 1204230331 is 1330324021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1204230331 - 2⁵ = 1204230299 is a prime.

It is a super-2 number, since 2×1204230331² = 2900341380200739122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1204230299 and 1204230308.

It is not an unprimeable number, because it can be changed into a prime (1204236331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11360611 + ... + 11360716.

It is an arithmetic number, because the mean of its divisors is an integer number (306737928).

Almost surely, 2^1204230331 is an apocalyptic number.

1204230331 is a deficient number, since it is larger than the sum of its proper divisors (22721381).

1204230331 is an equidigital number, since it uses as much as digits as its factorization.

1204230331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22721380.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1204230331 is about 34702.0220016068. The cubic root of 1204230331 is about 1063.9058262114.

Adding to 1204230331 its reverse (1330324021), we get a palindrome (2534554352).

The spelling of 1204230331 in words is "one billion, two hundred four million, two hundred thirty thousand, three hundred thirty-one".