10131211333 has 4 divisors (see below), whose sum is σ = 10134899500. Its totient is φ = 10127523168.

The previous prime is 10131211313. The next prime is 10131211529. The reversal of 10131211333 is 33311213101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5255960004 + 4875251329 = 72498^2 + 69823^2 .

It is a cyclic number.

It is not a de Polignac number, because 10131211333 - 2¹³ = 10131203141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10131211333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10131211313) 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, 1839960 + ... + 1845457.

It is an arithmetic number, because the mean of its divisors is an integer number (2533724875).

Almost surely, 2^10131211333 is an apocalyptic number.

It is an amenable number.

10131211333 is a deficient number, since it is larger than the sum of its proper divisors (3688167).

10131211333 is an equidigital number, since it uses as much as digits as its factorization.

10131211333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688166.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 10131211333 its reverse (33311213101), we get a palindrome (43442424434).

The spelling of 10131211333 in words is "ten billion, one hundred thirty-one million, two hundred eleven thousand, three hundred thirty-three".