231240001101 has 4 divisors (see below), whose sum is σ = 308320001472. Its totient is φ = 154160000732.

The previous prime is 231240001073. The next prime is 231240001123. The reversal of 231240001101 is 101100042132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231240001101 - 2¹⁰ = 231240000077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231240001171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38540000181 + ... + 38540000186.

It is an arithmetic number, because the mean of its divisors is an integer number (77080000368).

Almost surely, 2^231240001101 is an apocalyptic number.

It is an amenable number.

231240001101 is a deficient number, since it is larger than the sum of its proper divisors (77080000371).

231240001101 is an equidigital number, since it uses as much as digits as its factorization.

231240001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77080000370.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 231240001101 its reverse (101100042132), we get a palindrome (332340043233).

The spelling of 231240001101 in words is "two hundred thirty-one billion, two hundred forty million, one thousand, one hundred one".