1311434205632 has 28 divisors (see below), whose sum is σ = 2739344478120. Its totient is φ = 621205675776.

The previous prime is 1311434205527. The next prime is 1311434205637. The reversal of 1311434205632 is 2365024341131.

It is a junction number, because it is equal to n+sod(n) for n = 1311434205592 and 1311434205601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311434205637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539239823 + ... + 539242254.

Almost surely, 2^{1311434205632} is an apocalyptic number.

It is an amenable number.

1311434205632 is an abundant number, since it is smaller than the sum of its proper divisors (1427910272488).

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

1311434205632 is a wasteful number, since it uses less digits than its factorization.

1311434205632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078482108 (or 1078482098 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 1311434205632 its reverse (2365024341131), we get a palindrome (3676458546763).

The spelling of 1311434205632 in words is "one trillion, three hundred eleven billion, four hundred thirty-four million, two hundred five thousand, six hundred thirty-two".