11331131213 has 8 divisors (see below), whose sum is σ = 11930738400. Its totient is φ = 10731847248.

The previous prime is 11331131167. The next prime is 11331131233. The reversal of 11331131213 is 31213113311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11331131213 - 2¹⁶ = 11331065677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331131233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7106 + ... + 150707.

It is an arithmetic number, because the mean of its divisors is an integer number (1491342300).

Almost surely, 2^11331131213 is an apocalyptic number.

It is an amenable number.

11331131213 is a deficient number, since it is larger than the sum of its proper divisors (599607187).

11331131213 is a wasteful number, since it uses less digits than its factorization.

11331131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161611.

The product of its digits is 162, while the sum is 20.

Adding to 11331131213 its reverse (31213113311), we get a palindrome (42544244524).

The spelling of 11331131213 in words is "eleven billion, three hundred thirty-one million, one hundred thirty-one thousand, two hundred thirteen".