1213430311432 has 32 divisors (see below), whose sum is σ = 2388381177600. Its totient is φ = 577192104000.

The previous prime is 1213430311369. The next prime is 1213430311441. The reversal of 1213430311432 is 2341130343121.

It is a self number, because there is not a number n which added to its sum of digits gives 1213430311432.

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, 41450319 + ... + 41479582.

It is an arithmetic number, because the mean of its divisors is an integer number (74636911800).

Almost surely, 2^{1213430311432} is an apocalyptic number.

It is an amenable number.

1213430311432 is a deficient number, since it is larger than the sum of its proper divisors (1174950866168).

1213430311432 is a wasteful number, since it uses less digits than its factorization.

1213430311432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82929997 (or 82929993 counting only the distinct ones).

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

Adding to 1213430311432 its reverse (2341130343121), we get a palindrome (3554560654553).

The spelling of 1213430311432 in words is "one trillion, two hundred thirteen billion, four hundred thirty million, three hundred eleven thousand, four hundred thirty-two".