230205557031 has 8 divisors (see below), whose sum is σ = 323095518720. Its totient is φ = 145392983352.

The previous prime is 230205557017. The next prime is 230205557039. The reversal of 230205557031 is 130755502032.

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

It is not a de Polignac number, because 230205557031 - 2²¹ = 230203459879 is a prime.

It is a super-3 number, since 3×230205557031³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 230205556983 and 230205557001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230205557039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2019346935 + ... + 2019347048.

It is an arithmetic number, because the mean of its divisors is an integer number (40386939840).

Almost surely, 2^230205557031 is an apocalyptic number.

230205557031 is a deficient number, since it is larger than the sum of its proper divisors (92889961689).

230205557031 is a wasteful number, since it uses less digits than its factorization.

230205557031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038694005.

The product of its (nonzero) digits is 31500, while the sum is 33.

The spelling of 230205557031 in words is "two hundred thirty billion, two hundred five million, five hundred fifty-seven thousand, thirty-one".