103522431 has 16 divisors (see below), whose sum is σ = 150307200. Its totient is φ = 63127008.

The previous prime is 103522421. The next prime is 103522451. The reversal of 103522431 is 134225301.

It is not a de Polignac number, because 103522431 - 2¹¹ = 103520383 is a prime.

It is a super-2 number, since 2×103522431² = 21433787440299522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103522398 and 103522407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103522421) 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, 29661 + ... + 32966.

It is an arithmetic number, because the mean of its divisors is an integer number (9394200).

Almost surely, 2^103522431 is an apocalyptic number.

103522431 is a deficient number, since it is larger than the sum of its proper divisors (46784769).

103522431 is a wasteful number, since it uses less digits than its factorization.

103522431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62678.

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

The square root of 103522431 is about 10174.5973384700. The cubic root of 103522431 is about 469.5460094796.

Adding to 103522431 its reverse (134225301), we get a palindrome (237747732).

The spelling of 103522431 in words is "one hundred three million, five hundred twenty-two thousand, four hundred thirty-one".