231231222302 has 32 divisors (see below), whose sum is σ = 371781252000. Its totient is φ = 107480147968.

The previous prime is 231231222301. The next prime is 231231222329. The reversal of 231231222302 is 203222132132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231231222301) 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, 779318 + ... + 1034310.

It is an arithmetic number, because the mean of its divisors is an integer number (11618164125).

Almost surely, 2^231231222302 is an apocalyptic number.

231231222302 is a deficient number, since it is larger than the sum of its proper divisors (140550029698).

231231222302 is a wasteful number, since it uses less digits than its factorization.

231231222302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255340.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 231231222302 its reverse (203222132132), we get a palindrome (434453354434).

The spelling of 231231222302 in words is "two hundred thirty-one billion, two hundred thirty-one million, two hundred twenty-two thousand, three hundred two".