231100044111 has 16 divisors (see below), whose sum is σ = 342401241600. Its totient is φ = 154052833464.

The previous prime is 231100044107. The next prime is 231100044157. The reversal of 231100044111 is 111440001132.

It is not a de Polignac number, because 231100044111 - 2² = 231100044107 is a prime.

It is a super-2 number, since 2×231100044111² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231100042111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74901 + ... + 683966.

It is an arithmetic number, because the mean of its divisors is an integer number (21400077600).

Almost surely, 2^231100044111 is an apocalyptic number.

231100044111 is a deficient number, since it is larger than the sum of its proper divisors (111301197489).

231100044111 is a wasteful number, since it uses less digits than its factorization.

231100044111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770155 (or 770149 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 231100044111 its reverse (111440001132), we get a palindrome (342540045243).

The spelling of 231100044111 in words is "two hundred thirty-one billion, one hundred million, forty-four thousand, one hundred eleven".