10001113231 has 4 divisors (see below), whose sum is σ = 10245042864. Its totient is φ = 9757183600.

The previous prime is 10001113211. The next prime is 10001113271. The reversal of 10001113231 is 13231110001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13231110001 = 397 ⋅33327733.

It is a cyclic number.

It is not a de Polignac number, because 10001113231 - 2⁷ = 10001113103 is a prime.

It is a super-2 number, since 2×10001113231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001113211) 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, 121964755 + ... + 121964836.

It is an arithmetic number, because the mean of its divisors is an integer number (2561260716).

Almost surely, 2^10001113231 is an apocalyptic number.

10001113231 is a deficient number, since it is larger than the sum of its proper divisors (243929633).

10001113231 is an equidigital number, since it uses as much as digits as its factorization.

10001113231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243929632.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 10001113231 its reverse (13231110001), we get a palindrome (23232223232).

The spelling of 10001113231 in words is "ten billion, one million, one hundred thirteen thousand, two hundred thirty-one".