231121411 has 8 divisors (see below), whose sum is σ = 241869600. Its totient is φ = 220431552.

The previous prime is 231121369. The next prime is 231121417. The reversal of 231121411 is 114121132.

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 231121411 - 2¹³ = 231113219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231121417) 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, 6370 + ... + 22423.

It is an arithmetic number, because the mean of its divisors is an integer number (30233700).

Almost surely, 2^231121411 is an apocalyptic number.

231121411 is a deficient number, since it is larger than the sum of its proper divisors (10748189).

231121411 is a wasteful number, since it uses less digits than its factorization.

231121411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29165.

The product of its digits is 48, while the sum is 16.

The square root of 231121411 is about 15202.6777575531. The cubic root of 231121411 is about 613.6867219202.

Adding to 231121411 its reverse (114121132), we get a palindrome (345242543).

The spelling of 231121411 in words is "two hundred thirty-one million, one hundred twenty-one thousand, four hundred eleven".