11331131311213 has 8 divisors (see below), whose sum is σ = 12949884756032. Its totient is φ = 9712382966496.

The previous prime is 11331131311207. The next prime is 11331131311217. The reversal of 11331131311213 is 31211313113311.

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

It is not a de Polignac number, because 11331131311213 - 2³³ = 11322541376621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331131311217) 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, 7662481 + ... + 9020857.

It is an arithmetic number, because the mean of its divisors is an integer number (1618735594504).

Almost surely, 2^{11331131311213} is an apocalyptic number.

It is an amenable number.

11331131311213 is a deficient number, since it is larger than the sum of its proper divisors (1618753444819).

11331131311213 is a wasteful number, since it uses less digits than its factorization.

11331131311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550051.

The product of its digits is 486, while the sum is 25.

Adding to 11331131311213 its reverse (31211313113311), we get a palindrome (42542444424524).

The spelling of 11331131311213 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirty-one million, three hundred eleven thousand, two hundred thirteen".