1331022333442 has 8 divisors (see below), whose sum is σ = 1996682302332. Its totient is φ = 665461566000.

The previous prime is 1331022333427. The next prime is 1331022333467. The reversal of 1331022333442 is 2443332201331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 996245530641 + 334776802801 = 998121^2 + 578599^2 .

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

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, 24766809 + ... + 24820492.

Almost surely, 2^{1331022333442} is an apocalyptic number.

1331022333442 is a deficient number, since it is larger than the sum of its proper divisors (665659968890).

1331022333442 is a wasteful number, since it uses less digits than its factorization.

1331022333442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49600724.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 1331022333442 its reverse (2443332201331), we get a palindrome (3774354534773).

The spelling of 1331022333442 in words is "one trillion, three hundred thirty-one billion, twenty-two million, three hundred thirty-three thousand, four hundred forty-two".