1231430352304 has 20 divisors (see below), whose sum is σ = 2386649292040. Its totient is φ = 615520857600.

The previous prime is 1231430352293. The next prime is 1231430352319. The reversal of 1231430352304 is 4032530341321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12092622 + ... + 12194029.

It is an arithmetic number, because the mean of its divisors is an integer number (119332464602).

Almost surely, 2^{1231430352304} is an apocalyptic number.

It is an amenable number.

1231430352304 is a deficient number, since it is larger than the sum of its proper divisors (1155218939736).

1231430352304 is a wasteful number, since it uses less digits than its factorization.

1231430352304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24289828 (or 24289822 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 1231430352304 its reverse (4032530341321), we get a palindrome (5263960693625).

The spelling of 1231430352304 in words is "one trillion, two hundred thirty-one billion, four hundred thirty million, three hundred fifty-two thousand, three hundred four".