331010100001009 has 16 divisors (see below), whose sum is σ = 388916928638784. Its totient is φ = 277743620404800.

The previous prime is 331010100000977. The next prime is 331010100001037. The reversal of 331010100001009 is 900100001010133.

It is a happy number.

It is not a de Polignac number, because 331010100001009 - 2⁵ = 331010100000977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (331010100001309) 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, 111415707 + ... + 114348064.

It is an arithmetic number, because the mean of its divisors is an integer number (24307308039924).

Almost surely, 2^{331010100001009} is an apocalyptic number.

It is an amenable number.

331010100001009 is a deficient number, since it is larger than the sum of its proper divisors (57906828637775).

331010100001009 is a wasteful number, since it uses less digits than its factorization.

331010100001009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225774048.

The product of its (nonzero) digits is 81, while the sum is 19.

The spelling of 331010100001009 in words is "three hundred thirty-one trillion, ten billion, one hundred million, one thousand, nine".