231042230202 has 32 divisors (see below), whose sum is σ = 531895795200. Its totient is φ = 65537157168.

The previous prime is 231042230197. The next prime is 231042230207. The reversal of 231042230202 is 202032240132.

It is an interprime number because it is at equal distance from previous prime (231042230197) and next prime (231042230207).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (231042230207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19781952 + ... + 19793627.

It is an arithmetic number, because the mean of its divisors is an integer number (16621743600).

Almost surely, 2^231042230202 is an apocalyptic number.

231042230202 is an abundant number, since it is smaller than the sum of its proper divisors (300853564998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231042230202 is a wasteful number, since it uses less digits than its factorization.

231042230202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39575730.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 231042230202 its reverse (202032240132), we get a palindrome (433074470334).

The spelling of 231042230202 in words is "two hundred thirty-one billion, forty-two million, two hundred thirty thousand, two hundred two".