461344235531 has 4 divisors (see below), whose sum is σ = 461345751072. Its totient is φ = 461342719992.

The previous prime is 461344235453. The next prime is 461344235567. The reversal of 461344235531 is 135532443164.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461344235531 is a prime.

It is a super-2 number, since 2×461344235531² (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 (461344234531) 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, 125060 + ... + 968673.

It is an arithmetic number, because the mean of its divisors is an integer number (115336437768).

Almost surely, 2^461344235531 is an apocalyptic number.

461344235531 is a deficient number, since it is larger than the sum of its proper divisors (1515541).

461344235531 is a wasteful number, since it uses less digits than its factorization.

461344235531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515540.

The product of its digits is 518400, while the sum is 41.

Adding to 461344235531 its reverse (135532443164), we get a palindrome (596876678695).

The spelling of 461344235531 in words is "four hundred sixty-one billion, three hundred forty-four million, two hundred thirty-five thousand, five hundred thirty-one".