1311441303430 has 32 divisors (see below), whose sum is σ = 2369300006304. Its totient is φ = 522642502656.

The previous prime is 1311441303391. The next prime is 1311441303439. The reversal of 1311441303430 is 343031441131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311441303439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20448694 + ... + 20512726.

It is an arithmetic number, because the mean of its divisors is an integer number (74040625197).

Almost surely, 2^{1311441303430} is an apocalyptic number.

1311441303430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311441303430 is a deficient number, since it is larger than the sum of its proper divisors (1057858702874).

1311441303430 is a wasteful number, since it uses less digits than its factorization.

1311441303430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71560.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 1311441303430 its reverse (343031441131), we get a palindrome (1654472744561).

The spelling of 1311441303430 in words is "one trillion, three hundred eleven billion, four hundred forty-one million, three hundred three thousand, four hundred thirty".