331203231242 has 8 divisors (see below), whose sum is σ = 535020604356. Its totient is φ = 152863029792.

The previous prime is 331203231211. The next prime is 331203231277. The reversal of 331203231242 is 242132302133.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 329451892441 + 1751338801 = 573979^2 + 41849^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 12738585817 = 331203231242 / (3 + 3 + 1 + 2 + 0 + 3 + 2 + 3 + 1 + 2 + 4 + 2).

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, 6369292883 + ... + 6369292934.

Almost surely, 2^331203231242 is an apocalyptic number.

331203231242 is a deficient number, since it is larger than the sum of its proper divisors (203817373114).

331203231242 is a wasteful number, since it uses less digits than its factorization.

331203231242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12738585832.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 331203231242 its reverse (242132302133), we get a palindrome (573335533375).

The spelling of 331203231242 in words is "three hundred thirty-one billion, two hundred three million, two hundred thirty-one thousand, two hundred forty-two".