452031231 has 4 divisors (see below), whose sum is σ = 602708312. Its totient is φ = 301354152.

The previous prime is 452031221. The next prime is 452031247. The reversal of 452031231 is 132130254.

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

It is not a de Polignac number, because 452031231 - 2¹¹ = 452029183 is a prime.

It is a super-2 number, since 2×452031231² = 408664467598750722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 452031198 and 452031207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452031221) 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, 75338536 + ... + 75338541.

It is an arithmetic number, because the mean of its divisors is an integer number (150677078).

Almost surely, 2^452031231 is an apocalyptic number.

452031231 is a deficient number, since it is larger than the sum of its proper divisors (150677081).

452031231 is a wasteful number, since it uses less digits than its factorization.

452031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150677080.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 452031231 is about 21261.0261041183. The cubic root of 452031231 is about 767.4607029999.

Adding to 452031231 its reverse (132130254), we get a palindrome (584161485).

The spelling of 452031231 in words is "four hundred fifty-two million, thirty-one thousand, two hundred thirty-one".