465321555550231 has 4 divisors (see below), whose sum is σ = 465392456296632. Its totient is φ = 465250654803832.

The previous prime is 465321555550213. The next prime is 465321555550261. The reversal of 465321555550231 is 132055555123564.

It is a happy number.

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 465321555550231 - 2⁵ = 465321555550199 is a prime.

It is a super-2 number, since 2×465321555550231² (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 (465321555550261) 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, 35450363356 + ... + 35450376481.

It is an arithmetic number, because the mean of its divisors is an integer number (116348114074158).

Almost surely, 2^{465321555550231} is an apocalyptic number.

465321555550231 is a deficient number, since it is larger than the sum of its proper divisors (70900746401).

465321555550231 is an equidigital number, since it uses as much as digits as its factorization.

465321555550231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70900746400.

The product of its (nonzero) digits is 13500000, while the sum is 52.

The spelling of 465321555550231 in words is "four hundred sixty-five trillion, three hundred twenty-one billion, five hundred fifty-five million, five hundred fifty thousand, two hundred thirty-one".