103224631 has 4 divisors (see below), whose sum is σ = 103315312. Its totient is φ = 103133952.

The previous prime is 103224623. The next prime is 103224661. The reversal of 103224631 is 136422301.

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 103224631 - 2³ = 103224623 is a prime.

It is a super-2 number, since 2×103224631² = 21310648890172322, which 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 (103224661) 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, 43611 + ... + 45916.

It is an arithmetic number, because the mean of its divisors is an integer number (25828828).

Almost surely, 2^103224631 is an apocalyptic number.

103224631 is a deficient number, since it is larger than the sum of its proper divisors (90681).

103224631 is an equidigital number, since it uses as much as digits as its factorization.

103224631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90680.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 103224631 is about 10159.9523128802. The cubic root of 103224631 is about 469.0953338873.

Adding to 103224631 its reverse (136422301), we get a palindrome (239646932).

The spelling of 103224631 in words is "one hundred three million, two hundred twenty-four thousand, six hundred thirty-one".