331020013102 has 4 divisors (see below), whose sum is σ = 496530019656. Its totient is φ = 165510006550.

The previous prime is 331020013091. The next prime is 331020013127. The reversal of 331020013102 is 201310020133.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82755003274 + ... + 82755003277.

It is an arithmetic number, because the mean of its divisors is an integer number (124132504914).

Almost surely, 2^331020013102 is an apocalyptic number.

331020013102 is a deficient number, since it is larger than the sum of its proper divisors (165510006554).

331020013102 is a wasteful number, since it uses less digits than its factorization.

331020013102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165510006553.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 331020013102 its reverse (201310020133), we get a palindrome (532330033235).

The spelling of 331020013102 in words is "three hundred thirty-one billion, twenty million, thirteen thousand, one hundred two".