461511326431 has 4 divisors (see below), whose sum is σ = 461512754032. Its totient is φ = 461509898832.

The previous prime is 461511326413. The next prime is 461511326443. The reversal of 461511326431 is 134623115164.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 461511326431 - 2⁵ = 461511326399 is a prime.

It is a super-2 number, since 2×461511326431² (a number of 24 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 (461511326491) 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, 28270 + ... + 961156.

It is an arithmetic number, because the mean of its divisors is an integer number (115378188508).

Almost surely, 2^461511326431 is an apocalyptic number.

461511326431 is a deficient number, since it is larger than the sum of its proper divisors (1427601).

461511326431 is an equidigital number, since it uses as much as digits as its factorization.

461511326431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427600.

The product of its digits is 51840, while the sum is 37.

The spelling of 461511326431 in words is "four hundred sixty-one billion, five hundred eleven million, three hundred twenty-six thousand, four hundred thirty-one".