331020101 has 8 divisors (see below), whose sum is σ = 341687808. Its totient is φ = 320476000.

The previous prime is 331020097. The next prime is 331020119. The reversal of 331020101 is 101020133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 331020101 - 2² = 331020097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331020161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25445 + ... + 36186.

It is an arithmetic number, because the mean of its divisors is an integer number (42710976).

Almost surely, 2^331020101 is an apocalyptic number.

It is an amenable number.

331020101 is a deficient number, since it is larger than the sum of its proper divisors (10667707).

331020101 is a wasteful number, since it uses less digits than its factorization.

331020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61803.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 331020101 is about 18193.9578157145. The cubic root of 331020101 is about 691.7536440548.

Adding to 331020101 its reverse (101020133), we get a palindrome (432040234).

The spelling of 331020101 in words is "three hundred thirty-one million, twenty thousand, one hundred one".