3021423331042 has 4 divisors (see below), whose sum is σ = 4532134996566. Its totient is φ = 1510711665520.

The previous prime is 3021423331021. The next prime is 3021423331049. The reversal of 3021423331042 is 2401333241203.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2572722968841 + 448700362201 = 1603971^2 + 669851^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3021423331042.

It is not an unprimeable number, because it can be changed into a prime (3021423331049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 755355832759 + ... + 755355832762.

Almost surely, 2^{3021423331042} is an apocalyptic number.

3021423331042 is a deficient number, since it is larger than the sum of its proper divisors (1510711665524).

3021423331042 is a wasteful number, since it uses less digits than its factorization.

3021423331042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510711665523.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 3021423331042 its reverse (2401333241203), we get a palindrome (5422756572245).

The spelling of 3021423331042 in words is "three trillion, twenty-one billion, four hundred twenty-three million, three hundred thirty-one thousand, forty-two".