231011113 has 8 divisors (see below), whose sum is σ = 245579040. Its totient is φ = 216552000.

The previous prime is 231011107. The next prime is 231011119. The reversal of 231011113 is 311110132.

It is an interprime number because it is at equal distance from previous prime (231011107) and next prime (231011119).

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 231011113 - 2²⁵ = 197456681 is a prime.

It is a super-2 number, since 2×231011113² = 106732268658997538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231011093 and 231011102.

It is not an unprimeable number, because it can be changed into a prime (231011119) 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, 22803 + ... + 31336.

It is an arithmetic number, because the mean of its divisors is an integer number (30697380).

Almost surely, 2^231011113 is an apocalyptic number.

It is an amenable number.

231011113 is a deficient number, since it is larger than the sum of its proper divisors (14567927).

231011113 is a wasteful number, since it uses less digits than its factorization.

231011113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54407.

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

The square root of 231011113 is about 15199.0497400331. The cubic root of 231011113 is about 613.5890832112.

Adding to 231011113 its reverse (311110132), we get a palindrome (542121245).

The spelling of 231011113 in words is "two hundred thirty-one million, eleven thousand, one hundred thirteen".