320341521481 has 16 divisors (see below), whose sum is σ = 329430786048. Its totient is φ = 311314752000.

The previous prime is 320341521433. The next prime is 320341521529. The reversal of 320341521481 is 184125143023.

It is an interprime number because it is at equal distance from previous prime (320341521433) and next prime (320341521529).

It is a cyclic number.

It is not a de Polignac number, because 320341521481 - 2²⁹ = 319804650569 is a prime.

It is a super-2 number, since 2×320341521481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320341521281) 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, 15893296 + ... + 15913438.

It is an arithmetic number, because the mean of its divisors is an integer number (20589424128).

Almost surely, 2^320341521481 is an apocalyptic number.

It is an amenable number.

320341521481 is a deficient number, since it is larger than the sum of its proper divisors (9089264567).

320341521481 is a wasteful number, since it uses less digits than its factorization.

320341521481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21672.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 320341521481 in words is "three hundred twenty billion, three hundred forty-one million, five hundred twenty-one thousand, four hundred eighty-one".