231133122309 has 8 divisors (see below), whose sum is σ = 308184354112. Its totient is φ = 154085319360.

The previous prime is 231133122299. The next prime is 231133122331. The reversal of 231133122309 is 903221331132.

231133122309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231133122309 - 2⁵ = 231133122277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231133122109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695572 + ... + 972669.

It is an arithmetic number, because the mean of its divisors is an integer number (38523044264).

Almost surely, 2^231133122309 is an apocalyptic number.

It is an amenable number.

231133122309 is a deficient number, since it is larger than the sum of its proper divisors (77051231803).

231133122309 is a wasteful number, since it uses less digits than its factorization.

231133122309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714427.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 231133122309 in words is "two hundred thirty-one billion, one hundred thirty-three million, one hundred twenty-two thousand, three hundred nine".