320102231 has 8 divisors (see below), whose sum is σ = 342427680. Its totient is φ = 298165248.

The previous prime is 320102227. The next prime is 320102243. The reversal of 320102231 is 132201023.

It is a happy number.

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 320102231 - 2² = 320102227 is a prime.

It is a super-2 number, since 2×320102231² = 204930876582354722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320102221) 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, 95411 + ... + 98708.

It is an arithmetic number, because the mean of its divisors is an integer number (42803460).

Almost surely, 2^320102231 is an apocalyptic number.

320102231 is a deficient number, since it is larger than the sum of its proper divisors (22325449).

320102231 is a wasteful number, since it uses less digits than its factorization.

320102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194233.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 320102231 is about 17891.4010351342. The cubic root of 320102231 is about 684.0632094783.

Adding to 320102231 its reverse (132201023), we get a palindrome (452303254).

The spelling of 320102231 in words is "three hundred twenty million, one hundred two thousand, two hundred thirty-one".