131311131213 has 8 divisors (see below), whose sum is σ = 185380420608. Its totient is φ = 82391297984.

The previous prime is 131311131209. The next prime is 131311131221. The reversal of 131311131213 is 312131113131.

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 131311131213 - 2² = 131311131209 is a prime.

It is a super-2 number, since 2×131311131213² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131311131213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131311131223) 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, 1287363981 + ... + 1287364082.

It is an arithmetic number, because the mean of its divisors is an integer number (23172552576).

Almost surely, 2^131311131213 is an apocalyptic number.

It is an amenable number.

131311131213 is a deficient number, since it is larger than the sum of its proper divisors (54069289395).

131311131213 is a wasteful number, since it uses less digits than its factorization.

131311131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574728083.

The product of its digits is 162, while the sum is 21.

Adding to 131311131213 its reverse (312131113131), we get a palindrome (443442244344).

The spelling of 131311131213 in words is "one hundred thirty-one billion, three hundred eleven million, one hundred thirty-one thousand, two hundred thirteen".