10113323231 has 4 divisors (see below), whose sum is σ = 11032716264. Its totient is φ = 9193930200.

The previous prime is 10113323119. The next prime is 10113323251. The reversal of 10113323231 is 13232331101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10113323231 is a prime.

It is a super-2 number, since 2×10113323231² (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 (10113323251) 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, 459696500 + ... + 459696521.

It is an arithmetic number, because the mean of its divisors is an integer number (2758179066).

Almost surely, 2^10113323231 is an apocalyptic number.

10113323231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10113323231 is a deficient number, since it is larger than the sum of its proper divisors (919393033).

10113323231 is an equidigital number, since it uses as much as digits as its factorization.

10113323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919393032.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 10113323231 its reverse (13232331101), we get a palindrome (23345654332).

The spelling of 10113323231 in words is "ten billion, one hundred thirteen million, three hundred twenty-three thousand, two hundred thirty-one".