131123311213 has 8 divisors (see below), whose sum is σ = 136830656448. Its totient is φ = 125416493664.

The previous prime is 131123311211. The next prime is 131123311229. The reversal of 131123311213 is 312113321131.

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 131123311213 - 2¹ = 131123311211 is a prime.

It is a super-3 number, since 3×131123311213³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131123311211) 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, 426145 + ... + 666217.

It is an arithmetic number, because the mean of its divisors is an integer number (17103832056).

Almost surely, 2^131123311213 is an apocalyptic number.

It is an amenable number.

131123311213 is a deficient number, since it is larger than the sum of its proper divisors (5707345235).

131123311213 is a wasteful number, since it uses less digits than its factorization.

131123311213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263843.

The product of its digits is 324, while the sum is 22.

Adding to 131123311213 its reverse (312113321131), we get a palindrome (443236632344).

The spelling of 131123311213 in words is "one hundred thirty-one billion, one hundred twenty-three million, three hundred eleven thousand, two hundred thirteen".