331220012301 has 16 divisors (see below), whose sum is σ = 490828406400. Its totient is φ = 220753900224.

The previous prime is 331220012293. The next prime is 331220012303. The reversal of 331220012301 is 103210022133.

331220012301 is a `hidden beast` number, since 331 + 2 + 20 + 0 + 12 + 301 = 666.

It is not a de Polignac number, because 331220012301 - 2³ = 331220012293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331220012303) 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, 1548876 + ... + 1749701.

It is an arithmetic number, because the mean of its divisors is an integer number (30676775400).

Almost surely, 2^331220012301 is an apocalyptic number.

It is an amenable number.

331220012301 is a deficient number, since it is larger than the sum of its proper divisors (159608394099).

331220012301 is a wasteful number, since it uses less digits than its factorization.

331220012301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302305 (or 3302299 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 331220012301 its reverse (103210022133), we get a palindrome (434430034434).

The spelling of 331220012301 in words is "three hundred thirty-one billion, two hundred twenty million, twelve thousand, three hundred one".