231849101 has 4 divisors (see below), whose sum is σ = 252926304. Its totient is φ = 210771900.

The previous prime is 231849089. The next prime is 231849139. The reversal of 231849101 is 101948132.

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 231849101 - 2²² = 227654797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231849161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10538585 + ... + 10538606.

It is an arithmetic number, because the mean of its divisors is an integer number (63231576).

Almost surely, 2^231849101 is an apocalyptic number.

It is an amenable number.

231849101 is a deficient number, since it is larger than the sum of its proper divisors (21077203).

231849101 is a wasteful number, since it uses less digits than its factorization.

231849101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21077202.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 231849101 is about 15226.5919036402. The cubic root of 231849101 is about 614.3301151120.

The spelling of 231849101 in words is "two hundred thirty-one million, eight hundred forty-nine thousand, one hundred one".