1204324231 has 4 divisors (see below), whose sum is σ = 1313808264. Its totient is φ = 1094840200.

The previous prime is 1204324213. The next prime is 1204324249. The reversal of 1204324231 is 1324234021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1324234021 = 11 ⋅120384911.

It is an interprime number because it is at equal distance from previous prime (1204324213) and next prime (1204324249).

It is a cyclic number.

It is not a de Polignac number, because 1204324231 - 2⁹ = 1204323719 is a prime.

It is a super-2 number, since 2×1204324231² = 2900793706747482722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204334231) 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, 54742000 + ... + 54742021.

It is an arithmetic number, because the mean of its divisors is an integer number (328452066).

Almost surely, 2^1204324231 is an apocalyptic number.

1204324231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1204324231 is a deficient number, since it is larger than the sum of its proper divisors (109484033).

1204324231 is a wasteful number, since it uses less digits than its factorization.

1204324231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109484032.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1204324231 is about 34703.3749223328. The cubic root of 1204324231 is about 1063.9334782195.

Adding to 1204324231 its reverse (1324234021), we get a palindrome (2528558252).

The spelling of 1204324231 in words is "one billion, two hundred four million, three hundred twenty-four thousand, two hundred thirty-one".