231045520105 has 8 divisors (see below), whose sum is σ = 281159619264. Its totient is φ = 182233086000.

The previous prime is 231045520093. The next prime is 231045520109. The reversal of 231045520105 is 501025540132.

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

It is not a de Polignac number, because 231045520105 - 2⁵ = 231045520073 is a prime.

It is a super-2 number, since 2×231045520105² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231045520109) 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, 325415871 + ... + 325416580.

It is an arithmetic number, because the mean of its divisors is an integer number (35144952408).

Almost surely, 2^231045520105 is an apocalyptic number.

It is an amenable number.

231045520105 is a deficient number, since it is larger than the sum of its proper divisors (50114099159).

231045520105 is an equidigital number, since it uses as much as digits as its factorization.

231045520105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650832527.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 231045520105 in words is "two hundred thirty-one billion, forty-five million, five hundred twenty thousand, one hundred five".