1304243231356 has 12 divisors (see below), whose sum is σ = 2457996859192. Its totient is φ = 601958414448.

The previous prime is 1304243231353. The next prime is 1304243231413. The reversal of 1304243231356 is 6531323424031.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304243231353) 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, 12540800250 + ... + 12540800353.

Almost surely, 2^{1304243231356} is an apocalyptic number.

It is an amenable number.

1304243231356 is a deficient number, since it is larger than the sum of its proper divisors (1153753627836).

1304243231356 is a wasteful number, since it uses less digits than its factorization.

1304243231356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25081600620 (or 25081600618 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 1304243231356 its reverse (6531323424031), we get a palindrome (7835566655387).

The spelling of 1304243231356 in words is "one trillion, three hundred four billion, two hundred forty-three million, two hundred thirty-one thousand, three hundred fifty-six".