1311434013432 has 32 divisors (see below), whose sum is σ = 3281433569280. Its totient is φ = 436764866400.

The previous prime is 1311434013431. The next prime is 1311434013469. The reversal of 1311434013432 is 2343104341131.

It is a self number, because there is not a number n which added to its sum of digits gives 1311434013432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311434013431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23709598 + ... + 23764845.

It is an arithmetic number, because the mean of its divisors is an integer number (102544799040).

Almost surely, 2^{1311434013432} is an apocalyptic number.

1311434013432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1311434013432 is an abundant number, since it is smaller than the sum of its proper divisors (1969999555848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311434013432 is a wasteful number, since it uses less digits than its factorization.

1311434013432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47475603 (or 47475599 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 1311434013432 its reverse (2343104341131), we get a palindrome (3654538354563).

The spelling of 1311434013432 in words is "one trillion, three hundred eleven billion, four hundred thirty-four million, thirteen thousand, four hundred thirty-two".