131111230021213 has 16 divisors (see below), whose sum is σ = 141250456932480. Its totient is φ = 120979684558656.

The previous prime is 131111230021157. The next prime is 131111230021253. The reversal of 131111230021213 is 312120032111131.

It is a cyclic number.

It is not a de Polignac number, because 131111230021213 - 2¹⁷ = 131111229890141 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 (131111230021253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1394649456 + ... + 1394743462.

It is an arithmetic number, because the mean of its divisors is an integer number (8828153558280).

Almost surely, 2^{131111230021213} is an apocalyptic number.

131111230021213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131111230021213 is a deficient number, since it is larger than the sum of its proper divisors (10139226911267).

131111230021213 is a wasteful number, since it uses less digits than its factorization.

131111230021213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133716.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 131111230021213 its reverse (312120032111131), we get a palindrome (443231262132344).

The spelling of 131111230021213 in words is "one hundred thirty-one trillion, one hundred eleven billion, two hundred thirty million, twenty-one thousand, two hundred thirteen".