431213454 has 48 divisors (see below), whose sum is σ = 1069122912. Its totient is φ = 123047424.

The previous prime is 431213443. The next prime is 431213473. The reversal of 431213454 is 454312134.

It is a happy number.

431213454 is a `hidden beast` number, since 4 + 312 + 1 + 345 + 4 = 666.

It is a super-2 number, since 2×431213454² = 371890085821220232, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128502 + ... + 131814.

It is an arithmetic number, because the mean of its divisors is an integer number (22273394).

Almost surely, 2^431213454 is an apocalyptic number.

431213454 is an abundant number, since it is smaller than the sum of its proper divisors (637909458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

431213454 is a wasteful number, since it uses less digits than its factorization.

431213454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361 (or 4358 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 431213454 is about 20765.6797143749. The cubic root of 431213454 is about 755.4935614632.

Adding to 431213454 its reverse (454312134), we get a palindrome (885525588).

It can be divided in two parts, 4312 and 13454, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 431213454 in words is "four hundred thirty-one million, two hundred thirteen thousand, four hundred fifty-four".