230131001 has 4 divisors (see below), whose sum is σ = 231461412. Its totient is φ = 228800592.

The previous prime is 230130973. The next prime is 230131003. The reversal of 230131001 is 100131032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 203091001 + 27040000 = 14251^2 + 5200^2 .

It is a cyclic number.

It is not a de Polignac number, because 230131001 - 2¹⁴ = 230114617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230131003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664946 + ... + 665291.

It is an arithmetic number, because the mean of its divisors is an integer number (57865353).

Almost surely, 2^230131001 is an apocalyptic number.

It is an amenable number.

230131001 is a deficient number, since it is larger than the sum of its proper divisors (1330411).

230131001 is a wasteful number, since it uses less digits than its factorization.

230131001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330410.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 230131001 is about 15170.0692483588. The cubic root of 230131001 is about 612.8088691248.

Adding to 230131001 its reverse (100131032), we get a palindrome (330262033).

The spelling of 230131001 in words is "two hundred thirty million, one hundred thirty-one thousand, one".