231323212202 has 8 divisors (see below), whose sum is σ = 346987272036. Its totient is φ = 115660788192.

The previous prime is 231323212201. The next prime is 231323212321. The reversal of 231323212202 is 202212323132.

It can be written as a sum of positive squares in 2 ways, for example, as 160577319841 + 70745892361 = 400721^2 + 265981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (231323212201) 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, 45638 + ... + 681710.

Almost surely, 2^231323212202 is an apocalyptic number.

231323212202 is a deficient number, since it is larger than the sum of its proper divisors (115664059834).

231323212202 is a wasteful number, since it uses less digits than its factorization.

231323212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817912.

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

Adding to 231323212202 its reverse (202212323132), we get a palindrome (433535535334).

The spelling of 231323212202 in words is "two hundred thirty-one billion, three hundred twenty-three million, two hundred twelve thousand, two hundred two".