103231561406 has 16 divisors (see below), whose sum is σ = 168617797200. Its totient is φ = 47212982208.

The previous prime is 103231561373. The next prime is 103231561423. The reversal of 103231561406 is 604165132301.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46837175 + ... + 46839378.

It is an arithmetic number, because the mean of its divisors is an integer number (10538612325).

Almost surely, 2^103231561406 is an apocalyptic number.

103231561406 is a deficient number, since it is larger than the sum of its proper divisors (65386235794).

103231561406 is a wasteful number, since it uses less digits than its factorization.

103231561406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93676603.

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 103231561406 its reverse (604165132301), we get a palindrome (707396693707).

The spelling of 103231561406 in words is "one hundred three billion, two hundred thirty-one million, five hundred sixty-one thousand, four hundred six".