1331445532242 has 32 divisors (see below), whose sum is σ = 3222321962112. Its totient is φ = 358035773184.

The previous prime is 1331445532211. The next prime is 1331445532267. The reversal of 1331445532242 is 2422355441331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331445532242.

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, 932384113 + ... + 932385540.

It is an arithmetic number, because the mean of its divisors is an integer number (100697561316).

Almost surely, 2^{1331445532242} is an apocalyptic number.

1331445532242 is an abundant number, since it is smaller than the sum of its proper divisors (1890876429870).

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

1331445532242 is a wasteful number, since it uses less digits than its factorization.

1331445532242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864769682.

The product of its digits is 345600, while the sum is 39.

The spelling of 1331445532242 in words is "one trillion, three hundred thirty-one billion, four hundred forty-five million, five hundred thirty-two thousand, two hundred forty-two".