231025105 has 8 divisors (see below), whose sum is σ = 280570752. Its totient is φ = 182593008.

The previous prime is 231025103. The next prime is 231025127. The reversal of 231025105 is 501520132.

231025105 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 a cyclic number.

It is not a de Polignac number, because 231025105 - 2¹ = 231025103 is a prime.

It is a super-2 number, since 2×231025105² = 106745198280522050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231025103) 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, 277929 + ... + 278758.

It is an arithmetic number, because the mean of its divisors is an integer number (35071344).

Almost surely, 2^231025105 is an apocalyptic number.

It is an amenable number.

231025105 is a deficient number, since it is larger than the sum of its proper divisors (49545647).

231025105 is an equidigital number, since it uses as much as digits as its factorization.

231025105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556775.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 231025105 is about 15199.5100249975. The cubic root of 231025105 is about 613.6014710209.

Adding to 231025105 its reverse (501520132), we get a palindrome (732545237).

The spelling of 231025105 in words is "two hundred thirty-one million, twenty-five thousand, one hundred five".