331020030002 has 4 divisors (see below), whose sum is σ = 496530045006. Its totient is φ = 165510015000.

The previous prime is 331020029999. The next prime is 331020030031. The reversal of 331020030002 is 200030020133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200030020133 = 27179 ⋅7359727.

It can be written as a sum of positive squares in only one way, i.e., 184230666841 + 146789363161 = 429221^2 + 383131^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82755007499 + ... + 82755007502.

Almost surely, 2^331020030002 is an apocalyptic number.

331020030002 is a deficient number, since it is larger than the sum of its proper divisors (165510015004).

331020030002 is a wasteful number, since it uses less digits than its factorization.

331020030002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165510015003.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 331020030002 its reverse (200030020133), we get a palindrome (531050050135).

The spelling of 331020030002 in words is "three hundred thirty-one billion, twenty million, thirty thousand, two".