331386103906 has 32 divisors (see below), whose sum is σ = 586553825088. Its totient is φ = 138430568640.

The previous prime is 331386103903. The next prime is 331386103913. The reversal of 331386103906 is 609301683133.

It is not an unprimeable number, because it can be changed into a prime (331386103903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2487265 + ... + 2617108.

It is an arithmetic number, because the mean of its divisors is an integer number (18329807034).

Almost surely, 2^331386103906 is an apocalyptic number.

331386103906 is a deficient number, since it is larger than the sum of its proper divisors (255167721182).

331386103906 is a wasteful number, since it uses less digits than its factorization.

331386103906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5104626.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 331386103906 in words is "three hundred thirty-one billion, three hundred eighty-six million, one hundred three thousand, nine hundred six".