231301230202 has 32 divisors (see below), whose sum is σ = 417461040000. Its totient is φ = 93894821568.

The previous prime is 231301230191. The next prime is 231301230229. The reversal of 231301230202 is 202032103132.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 231301230202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1453608 + ... + 1604860.

It is an arithmetic number, because the mean of its divisors is an integer number (13045657500).

Almost surely, 2^231301230202 is an apocalyptic number.

231301230202 is a deficient number, since it is larger than the sum of its proper divisors (186159809798).

231301230202 is a wasteful number, since it uses less digits than its factorization.

231301230202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157030.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 231301230202 its reverse (202032103132), we get a palindrome (433333333334).

The spelling of 231301230202 in words is "two hundred thirty-one billion, three hundred one million, two hundred thirty thousand, two hundred two".