10231231213 has 12 divisors (see below), whose sum is σ = 11921740380. Its totient is φ = 8754813312.

The previous prime is 10231231211. The next prime is 10231231217. The reversal of 10231231213 is 31213213201.

10231231213 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5653084969 + 4578146244 = 75187^2 + 67662^2 .

It is not a de Polignac number, because 10231231213 - 2¹ = 10231231211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231231211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146998 + ... + 205111.

It is an arithmetic number, because the mean of its divisors is an integer number (993478365).

Almost surely, 2^10231231213 is an apocalyptic number.

It is an amenable number.

10231231213 is a deficient number, since it is larger than the sum of its proper divisors (1690509167).

10231231213 is an equidigital number, since it uses as much as digits as its factorization.

10231231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352716 (or 352709 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10231231213 its reverse (31213213201), we get a palindrome (41444444414).

The spelling of 10231231213 in words is "ten billion, two hundred thirty-one million, two hundred thirty-one thousand, two hundred thirteen".