320432204440231 has 4 divisors (see below), whose sum is σ = 345080835551032. Its totient is φ = 295783573329432.

The previous prime is 320432204440163. The next prime is 320432204440289. The reversal of 320432204440231 is 132044402234023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320432204440231 - 2¹⁷ = 320432204309159 is a prime.

It is a super-2 number, since 2×320432204440231² (a number of 30 digits) 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 (320432204440631) 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, 12324315555381 + ... + 12324315555406.

It is an arithmetic number, because the mean of its divisors is an integer number (86270208887758).

Almost surely, 2^{320432204440231} is an apocalyptic number.

320432204440231 is a deficient number, since it is larger than the sum of its proper divisors (24648631110801).

320432204440231 is a wasteful number, since it uses less digits than its factorization.

320432204440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24648631110800.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 320432204440231 its reverse (132044402234023), we get a palindrome (452476606674254).

The spelling of 320432204440231 in words is "three hundred twenty trillion, four hundred thirty-two billion, two hundred four million, four hundred forty thousand, two hundred thirty-one".