131423232213 has 64 divisors (see below), whose sum is σ = 246108817920. Its totient is φ = 67448526336.

The previous prime is 131423232211. The next prime is 131423232217. The reversal of 131423232213 is 312232324131.

131423232213 is a `hidden beast` number, since 1 + 3 + 1 + 423 + 23 + 2 + 213 = 666.

It is not a de Polignac number, because 131423232213 - 2¹ = 131423232211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131423232211) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 631920 + ... + 813737.

It is an arithmetic number, because the mean of its divisors is an integer number (3845450280).

Almost surely, 2^131423232213 is an apocalyptic number.

131423232213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131423232213 is a deficient number, since it is larger than the sum of its proper divisors (114685585707).

131423232213 is a wasteful number, since it uses less digits than its factorization.

131423232213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445723 (or 1445717 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 131423232213 its reverse (312232324131), we get a palindrome (443655556344).

The spelling of 131423232213 in words is "one hundred thirty-one billion, four hundred twenty-three million, two hundred thirty-two thousand, two hundred thirteen".