224513131 has 4 divisors (see below), whose sum is σ = 224557200. Its totient is φ = 224469064.

The previous prime is 224513119. The next prime is 224513137. The reversal of 224513131 is 131315422.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 224513131 - 2²³ = 216124523 is a prime.

It is a super-2 number, since 2×224513131² = 100812291982846322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224513137) 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, 13216 + ... + 24973.

It is an arithmetic number, because the mean of its divisors is an integer number (56139300).

Almost surely, 2^224513131 is an apocalyptic number.

224513131 is a deficient number, since it is larger than the sum of its proper divisors (44069).

224513131 is an equidigital number, since it uses as much as digits as its factorization.

224513131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44068.

The product of its digits is 720, while the sum is 22.

The square root of 224513131 is about 14983.7622445099. The cubic root of 224513131 is about 607.7811811756.

Adding to 224513131 its reverse (131315422), we get a palindrome (355828553).

It can be divided in two parts, 2245 and 13131, that added together give a square (15376 = 124²).

The spelling of 224513131 in words is "two hundred twenty-four million, five hundred thirteen thousand, one hundred thirty-one".