231050010113 has 4 divisors (see below), whose sum is σ = 248823087828. Its totient is φ = 213276932400.

The previous prime is 231050010101. The next prime is 231050010119. The reversal of 231050010113 is 311010050132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86351936449 + 144698073664 = 293857^2 + 380392^2 .

It is a cyclic number.

It is not a de Polignac number, because 231050010113 - 2⁶ = 231050010049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231050010091 and 231050010100.

It is not an unprimeable number, because it can be changed into a prime (231050010119) 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, 8886538838 + ... + 8886538863.

It is an arithmetic number, because the mean of its divisors is an integer number (62205771957).

Almost surely, 2^231050010113 is an apocalyptic number.

It is an amenable number.

231050010113 is a deficient number, since it is larger than the sum of its proper divisors (17773077715).

231050010113 is a wasteful number, since it uses less digits than its factorization.

231050010113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17773077714.

The product of its (nonzero) digits is 90, while the sum is 17.

Adding to 231050010113 its reverse (311010050132), we get a palindrome (542060060245).

The spelling of 231050010113 in words is "two hundred thirty-one billion, fifty million, ten thousand, one hundred thirteen".