103431521011 has 8 divisors (see below), whose sum is σ = 127300333664. Its totient is φ = 81835928640.

The previous prime is 103431520979. The next prime is 103431521059. The reversal of 103431521011 is 110125134301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103431521011 - 2⁵ = 103431520979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103431521071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568304970 + ... + 568305151.

It is an arithmetic number, because the mean of its divisors is an integer number (15912541708).

Almost surely, 2^103431521011 is an apocalyptic number.

103431521011 is a deficient number, since it is larger than the sum of its proper divisors (23868812653).

103431521011 is a wasteful number, since it uses less digits than its factorization.

103431521011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136610141.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 103431521011 its reverse (110125134301), we get a palindrome (213556655312).

The spelling of 103431521011 in words is "one hundred three billion, four hundred thirty-one million, five hundred twenty-one thousand, eleven".