1321411243342 has 32 divisors (see below), whose sum is σ = 2080217728512. Its totient is φ = 628340897184.

The previous prime is 1321411243307. The next prime is 1321411243367. The reversal of 1321411243342 is 2433421141231.

It is a happy number.

It is a super-2 number, since 2×1321411243342² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13389783 + ... + 13488109.

It is an arithmetic number, because the mean of its divisors is an integer number (65006804016).

Almost surely, 2^{1321411243342} is an apocalyptic number.

1321411243342 is a deficient number, since it is larger than the sum of its proper divisors (758806485170).

1321411243342 is a wasteful number, since it uses less digits than its factorization.

1321411243342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100032.

The product of its digits is 13824, while the sum is 31.

Adding to 1321411243342 its reverse (2433421141231), we get a palindrome (3754832384573).

The spelling of 1321411243342 in words is "one trillion, three hundred twenty-one billion, four hundred eleven million, two hundred forty-three thousand, three hundred forty-two".