331411020242 has 4 divisors (see below), whose sum is σ = 497116530366. Its totient is φ = 165705510120.

The previous prime is 331411020221. The next prime is 331411020251. The reversal of 331411020242 is 242020114133.

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., 230775512881 + 100635507361 = 480391^2 + 317231^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82852755059 + ... + 82852755062.

Almost surely, 2^331411020242 is an apocalyptic number.

331411020242 is a deficient number, since it is larger than the sum of its proper divisors (165705510124).

331411020242 is a wasteful number, since it uses less digits than its factorization.

331411020242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165705510123.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 331411020242 its reverse (242020114133), we get a palindrome (573431134375).

The spelling of 331411020242 in words is "three hundred thirty-one billion, four hundred eleven million, twenty thousand, two hundred forty-two".