10131231213 has 12 divisors (see below), whose sum is σ = 14648375040. Its totient is φ = 6747519816.

The previous prime is 10131231191. The next prime is 10131231301. The reversal of 10131231213 is 31213213101.

10131231213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10131231213 - 2¹⁶ = 10131165677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131231013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 543181 + ... + 561522.

It is an arithmetic number, because the mean of its divisors is an integer number (1220697920).

Almost surely, 2^10131231213 is an apocalyptic number.

It is an amenable number.

10131231213 is a deficient number, since it is larger than the sum of its proper divisors (4517143827).

10131231213 is a wasteful number, since it uses less digits than its factorization.

10131231213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105728 (or 1105725 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 10131231213 its reverse (31213213101), we get a palindrome (41344444314).

The spelling of 10131231213 in words is "ten billion, one hundred thirty-one million, two hundred thirty-one thousand, two hundred thirteen".