1355342331242 has 8 divisors (see below), whose sum is σ = 2033019768000. Its totient is φ = 677669075244.

The previous prime is 1355342331223. The next prime is 1355342331251. The reversal of 1355342331242 is 2421332435531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1355342331196 and 1355342331205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42242 + ... + 1646957.

It is an arithmetic number, because the mean of its divisors is an integer number (254127471000).

Almost surely, 2^{1355342331242} is an apocalyptic number.

1355342331242 is a deficient number, since it is larger than the sum of its proper divisors (677677436758).

1355342331242 is a wasteful number, since it uses less digits than its factorization.

1355342331242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090380.

The product of its digits is 259200, while the sum is 38.

Adding to 1355342331242 its reverse (2421332435531), we get a palindrome (3776674766773).

The spelling of 1355342331242 in words is "one trillion, three hundred fifty-five billion, three hundred forty-two million, three hundred thirty-one thousand, two hundred forty-two".