231321131110009 has 16 divisors (see below), whose sum is σ = 246588183705600. Its totient is φ = 216363529798416.

The previous prime is 231321131109997. The next prime is 231321131110079. The reversal of 231321131110009 is 900011131123132.

It is a cyclic number.

It is not a de Polignac number, because 231321131110009 - 2¹⁷ = 231321130978937 is a prime.

It is a super-2 number, since 2×231321131110009² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231321131110079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33927372 + ... + 40170994.

It is an arithmetic number, because the mean of its divisors is an integer number (15411761481600).

Almost surely, 2^{231321131110009} is an apocalyptic number.

It is an amenable number.

231321131110009 is a deficient number, since it is larger than the sum of its proper divisors (15267052595591).

231321131110009 is a wasteful number, since it uses less digits than its factorization.

231321131110009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268404.

The product of its (nonzero) digits is 972, while the sum is 28.

The spelling of 231321131110009 in words is "two hundred thirty-one trillion, three hundred twenty-one billion, one hundred thirty-one million, one hundred ten thousand, nine".