465332161431 has 4 divisors (see below), whose sum is σ = 620442881912. Its totient is φ = 310221440952.

The previous prime is 465332161417. The next prime is 465332161477. The reversal of 465332161431 is 134161233564.

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

It is not a de Polignac number, because 465332161431 - 2¹⁸ = 465331899287 is a prime.

It is a super-2 number, since 2×465332161431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 465332161431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (465332261431) 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, 77555360236 + ... + 77555360241.

It is an arithmetic number, because the mean of its divisors is an integer number (155110720478).

Almost surely, 2^465332161431 is an apocalyptic number.

465332161431 is a deficient number, since it is larger than the sum of its proper divisors (155110720481).

465332161431 is a wasteful number, since it uses less digits than its factorization.

465332161431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155110720480.

The product of its digits is 155520, while the sum is 39.

Adding to 465332161431 its reverse (134161233564), we get a palindrome (599493394995).

The spelling of 465332161431 in words is "four hundred sixty-five billion, three hundred thirty-two million, one hundred sixty-one thousand, four hundred thirty-one".