231001130 has 16 divisors (see below), whose sum is σ = 417982464. Its totient is φ = 91915920.

The previous prime is 231001097. The next prime is 231001139. The reversal of 231001130 is 31100132.

It is a super-2 number, since 2×231001130² = 106723044122553800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231001139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58562 + ... + 62381.

It is an arithmetic number, because the mean of its divisors is an integer number (26123904).

Almost surely, 2^231001130 is an apocalyptic number.

231001130 is a deficient number, since it is larger than the sum of its proper divisors (186981334).

231001130 is a wasteful number, since it uses less digits than its factorization.

231001130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121141.

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

The square root of 231001130 is about 15198.7213277960. The cubic root of 231001130 is about 613.5802444617.

Adding to 231001130 its reverse (31100132), we get a palindrome (262101262).

The spelling of 231001130 in words is "two hundred thirty-one million, one thousand, one hundred thirty".