10103121231 has 32 divisors (see below), whose sum is σ = 15792268800. Its totient is φ = 5624709120.

The previous prime is 10103121209. The next prime is 10103121277. The reversal of 10103121231 is 13212130101.

It is a happy number.

10103121231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10103121231 - 2⁶ = 10103121167 is a prime.

It is a super-2 number, since 2×10103121231² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10103121231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103121031) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 654480 + ... + 669738.

It is an arithmetic number, because the mean of its divisors is an integer number (493508400).

Almost surely, 2^10103121231 is an apocalyptic number.

10103121231 is a deficient number, since it is larger than the sum of its proper divisors (5689147569).

10103121231 is a wasteful number, since it uses less digits than its factorization.

10103121231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16079.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10103121231 its reverse (13212130101), we get a palindrome (23315251332).

The spelling of 10103121231 in words is "ten billion, one hundred three million, one hundred twenty-one thousand, two hundred thirty-one".