1321113342 has 32 divisors (see below), whose sum is σ = 2718226944. Its totient is φ = 427744800.

The previous prime is 1321113341. The next prime is 1321113361. The reversal of 1321113342 is 2433111231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321113341) 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, 135367 + ... + 144797.

It is an arithmetic number, because the mean of its divisors is an integer number (84944592).

Almost surely, 2^1321113342 is an apocalyptic number.

1321113342 is an abundant number, since it is smaller than the sum of its proper divisors (1397113602).

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

1321113342 is a wasteful number, since it uses less digits than its factorization.

1321113342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10104.

The product of its digits is 432, while the sum is 21.

The square root of 1321113342 is about 36347.1228847621. The cubic root of 1321113342 is about 1097.2696311677.

Adding to 1321113342 its reverse (2433111231), we get a palindrome (3754224573).

The spelling of 1321113342 in words is "one billion, three hundred twenty-one million, one hundred thirteen thousand, three hundred forty-two".