231222010313 has 12 divisors (see below), whose sum is σ = 269020195920. Its totient is φ = 198155181672.

The previous prime is 231222010303. The next prime is 231222010379. The reversal of 231222010313 is 313010222132.

It is not a de Polignac number, because 231222010313 - 2¹⁴ = 231221993929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231222010303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136703 + ... + 693636.

It is an arithmetic number, because the mean of its divisors is an integer number (22418349660).

Almost surely, 2^231222010313 is an apocalyptic number.

It is an amenable number.

231222010313 is a deficient number, since it is larger than the sum of its proper divisors (37798185607).

231222010313 is an equidigital number, since it uses as much as digits as its factorization.

231222010313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836036 (or 836029 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 231222010313 its reverse (313010222132), we get a palindrome (544232232445).

The spelling of 231222010313 in words is "two hundred thirty-one billion, two hundred twenty-two million, ten thousand, three hundred thirteen".