465216147431 has 32 divisors (see below), whose sum is σ = 537970802688. Its totient is φ = 394064817120.

The previous prime is 465216147377. The next prime is 465216147433. The reversal of 465216147431 is 134741612564.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465216147431 is a prime.

It is a super-2 number, since 2×465216147431² (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 (465216147433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350576690 + ... + 350578016.

It is an arithmetic number, because the mean of its divisors is an integer number (16811587584).

Almost surely, 2^465216147431 is an apocalyptic number.

465216147431 is a deficient number, since it is larger than the sum of its proper divisors (72754655257).

465216147431 is a wasteful number, since it uses less digits than its factorization.

465216147431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771.

The product of its digits is 483840, while the sum is 44.

Adding to 465216147431 its reverse (134741612564), we get a palindrome (599957759995).

The spelling of 465216147431 in words is "four hundred sixty-five billion, two hundred sixteen million, one hundred forty-seven thousand, four hundred thirty-one".