320260443656231 has 4 divisors (see below), whose sum is σ = 344895862399032. Its totient is φ = 295625024913432.

The previous prime is 320260443656213. The next prime is 320260443656249. The reversal of 320260443656231 is 132656344062023.

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

It is an interprime number because it is at equal distance from previous prime (320260443656213) and next prime (320260443656249).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320260443656231 is a prime.

It is a super-2 number, since 2×320260443656231² (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 (320260443652231) 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, 12317709371381 + ... + 12317709371406.

It is an arithmetic number, because the mean of its divisors is an integer number (86223965599758).

Almost surely, 2^{320260443656231} is an apocalyptic number.

320260443656231 is a deficient number, since it is larger than the sum of its proper divisors (24635418742801).

320260443656231 is a wasteful number, since it uses less digits than its factorization.

320260443656231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24635418742800.

The product of its (nonzero) digits is 3732480, while the sum is 47.

The spelling of 320260443656231 in words is "three hundred twenty trillion, two hundred sixty billion, four hundred forty-three million, six hundred fifty-six thousand, two hundred thirty-one".