1304233431 has 8 divisors (see below), whose sum is σ = 1740144000. Its totient is φ = 868905912.

The previous prime is 1304233429. The next prime is 1304233439. The reversal of 1304233431 is 1343324031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1304233431 - 2¹ = 1304233429 is a prime.

It is a super-2 number, since 2×1304233431² = 3402049685076063522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304233439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140515 + ... + 149508.

It is an arithmetic number, because the mean of its divisors is an integer number (217518000).

Almost surely, 2^1304233431 is an apocalyptic number.

1304233431 is a deficient number, since it is larger than the sum of its proper divisors (435910569).

1304233431 is a wasteful number, since it uses less digits than its factorization.

1304233431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291525.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1304233431 is about 36114.1721627397. The cubic root of 1304233431 is about 1092.5763010523.

Adding to 1304233431 its reverse (1343324031), we get a palindrome (2647557462).

The spelling of 1304233431 in words is "one billion, three hundred four million, two hundred thirty-three thousand, four hundred thirty-one".