320405242541231 has 8 divisors (see below), whose sum is σ = 339679838649984. Its totient is φ = 301689330377760.

The previous prime is 320405242541201. The next prime is 320405242541257. The reversal of 320405242541231 is 132145242504023.

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 320405242541231 - 2⁴⁶ = 250036498363567 is a prime.

It is a super-2 number, since 2×320405242541231² (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 (320405242541201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139670985140 + ... + 139670987433.

It is an arithmetic number, because the mean of its divisors is an integer number (42459979831248).

Almost surely, 2^{320405242541231} is an apocalyptic number.

320405242541231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

320405242541231 is a deficient number, since it is larger than the sum of its proper divisors (19274596108753).

320405242541231 is a wasteful number, since it uses less digits than its factorization.

320405242541231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279341972641.

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 320405242541231 in words is "three hundred twenty trillion, four hundred five billion, two hundred forty-two million, five hundred forty-one thousand, two hundred thirty-one".