1304214231 has 4 divisors (see below), whose sum is σ = 1738952312. Its totient is φ = 869476152.

The previous prime is 1304214217. The next prime is 1304214251. The reversal of 1304214231 is 1324124031.

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

It is not a de Polignac number, because 1304214231 - 2⁶ = 1304214167 is a prime.

It is a super-2 number, since 2×1304214231² = 3401949520685842722, 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 = 1304214198 and 1304214207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304214251) 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, 217369036 + ... + 217369041.

It is an arithmetic number, because the mean of its divisors is an integer number (434738078).

Almost surely, 2^1304214231 is an apocalyptic number.

1304214231 is a deficient number, since it is larger than the sum of its proper divisors (434738081).

1304214231 is an equidigital number, since it uses as much as digits as its factorization.

1304214231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434738080.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1304214231 is about 36113.9063381407. The cubic root of 1304214231 is about 1092.5709396480.

Adding to 1304214231 its reverse (1324124031), we get a palindrome (2628338262).

The spelling of 1304214231 in words is "one billion, three hundred four million, two hundred fourteen thousand, two hundred thirty-one".