10131323212 has 6 divisors (see below), whose sum is σ = 17729815628. Its totient is φ = 5065661604.

The previous prime is 10131323201. The next prime is 10131323219. The reversal of 10131323212 is 21232313101.

It is a self number, because there is not a number n which added to its sum of digits gives 10131323212.

It is not an unprimeable number, because it can be changed into a prime (10131323219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1266415398 + ... + 1266415405.

Almost surely, 2^10131323212 is an apocalyptic number.

It is an amenable number.

10131323212 is a deficient number, since it is larger than the sum of its proper divisors (7598492416).

10131323212 is a wasteful number, since it uses less digits than its factorization.

10131323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2532830807 (or 2532830805 counting only the distinct ones).

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

Adding to 10131323212 its reverse (21232313101), we get a palindrome (31363636313).

The spelling of 10131323212 in words is "ten billion, one hundred thirty-one million, three hundred twenty-three thousand, two hundred twelve".