131113213 has 16 divisors (see below), whose sum is σ = 163716480. Its totient is φ = 102009600.

The previous prime is 131113211. The next prime is 131113223. The reversal of 131113213 is 312311131.

It is not a de Polignac number, because 131113213 - 2¹ = 131113211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131113211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98593 + ... + 99913.

It is an arithmetic number, because the mean of its divisors is an integer number (10232280).

Almost surely, 2^131113213 is an apocalyptic number.

It is an amenable number.

131113213 is a deficient number, since it is larger than the sum of its proper divisors (32603267).

131113213 is a wasteful number, since it uses less digits than its factorization.

131113213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628.

The product of its digits is 54, while the sum is 16.

The square root of 131113213 is about 11450.4678070374. The cubic root of 131113213 is about 508.0215712521.

Adding to 131113213 its reverse (312311131), we get a palindrome (443424344).

The spelling of 131113213 in words is "one hundred thirty-one million, one hundred thirteen thousand, two hundred thirteen".