231401211113 has 8 divisors (see below), whose sum is σ = 231721439232. Its totient is φ = 231081182496.

The previous prime is 231401211091. The next prime is 231401211127. The reversal of 231401211113 is 311112104132.

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 231401211113 - 2⁸ = 231401210857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (231401211143) 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, 2350781 + ... + 2447237.

It is an arithmetic number, because the mean of its divisors is an integer number (28965179904).

Almost surely, 2^231401211113 is an apocalyptic number.

It is an amenable number.

231401211113 is a deficient number, since it is larger than the sum of its proper divisors (320228119).

231401211113 is a wasteful number, since it uses less digits than its factorization.

231401211113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99751.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 231401211113 its reverse (311112104132), we get a palindrome (542513315245).

The spelling of 231401211113 in words is "two hundred thirty-one billion, four hundred one million, two hundred eleven thousand, one hundred thirteen".