331645540106 has 32 divisors (see below), whose sum is σ = 505722690000. Its totient is φ = 163095109632.

The previous prime is 331645540049. The next prime is 331645540129. The reversal of 331645540106 is 601045546133.

It can be written as a sum of positive squares in 8 ways, for example, as 434931025 + 331210609081 = 20855^2 + 575509^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 331645540106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87342200 + ... + 87345996.

Almost surely, 2^331645540106 is an apocalyptic number.

331645540106 is a deficient number, since it is larger than the sum of its proper divisors (174077149894).

331645540106 is a wasteful number, since it uses less digits than its factorization.

331645540106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 331645540106 in words is "three hundred thirty-one billion, six hundred forty-five million, five hundred forty thousand, one hundred six".