331200231 has 4 divisors (see below), whose sum is σ = 441600312. Its totient is φ = 220800152.

The previous prime is 331200227. The next prime is 331200241. The reversal of 331200231 is 132002133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132002133 = 3 ⋅44000711.

It is a cyclic number.

It is not a de Polignac number, because 331200231 - 2² = 331200227 is a prime.

It is a super-2 number, since 2×331200231² = 219387186028906722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331200231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331200241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55200036 + ... + 55200041.

It is an arithmetic number, because the mean of its divisors is an integer number (110400078).

Almost surely, 2^331200231 is an apocalyptic number.

331200231 is a deficient number, since it is larger than the sum of its proper divisors (110400081).

331200231 is a wasteful number, since it uses less digits than its factorization.

331200231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110400080.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 331200231 is about 18198.9074122597. The cubic root of 331200231 is about 691.8790976534.

Adding to 331200231 its reverse (132002133), we get a palindrome (463202364).

The spelling of 331200231 in words is "three hundred thirty-one million, two hundred thousand, two hundred thirty-one".