224231031 has 16 divisors (see below), whose sum is σ = 339264000. Its totient is φ = 146305944.

The previous prime is 224231023. The next prime is 224231039. The reversal of 224231031 is 130132422.

It is an interprime number because it is at equal distance from previous prime (224231023) and next prime (224231039).

It is not a de Polignac number, because 224231031 - 2³ = 224231023 is a prime.

It is a super-2 number, since 2×224231031² = 100559110526645922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 224230995 and 224231013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224231039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87081 + ... + 89618.

It is an arithmetic number, because the mean of its divisors is an integer number (21204000).

Almost surely, 2^224231031 is an apocalyptic number.

224231031 is a deficient number, since it is larger than the sum of its proper divisors (115032969).

224231031 is a wasteful number, since it uses less digits than its factorization.

224231031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176755 (or 176749 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 224231031 is about 14974.3457620024. The cubic root of 224231031 is about 607.5265161418.

Adding to 224231031 its reverse (130132422), we get a palindrome (354363453).

The spelling of 224231031 in words is "two hundred twenty-four million, two hundred thirty-one thousand, thirty-one".