1311240532430 has 16 divisors (see below), whose sum is σ = 2360250455904. Its totient is φ = 524492324640.

The previous prime is 1311240532363. The next prime is 1311240532447. The reversal of 1311240532430 is 342350421131.

It is a junction number, because it is equal to n+sod(n) for n = 1311240532393 and 1311240532402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213184 + ... + 2023436.

It is an arithmetic number, because the mean of its divisors is an integer number (147515653494).

Almost surely, 2^{1311240532430} is an apocalyptic number.

1311240532430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311240532430 is a deficient number, since it is larger than the sum of its proper divisors (1049009923474).

1311240532430 is a wasteful number, since it uses less digits than its factorization.

1311240532430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972091.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 1311240532430 its reverse (342350421131), we get a palindrome (1653590953561).

The spelling of 1311240532430 in words is "one trillion, three hundred eleven billion, two hundred forty million, five hundred thirty-two thousand, four hundred thirty".