131112021311 has 8 divisors (see below), whose sum is σ = 131555838960. Its totient is φ = 130668363072.

The previous prime is 131112021301. The next prime is 131112021323. The reversal of 131112021311 is 113120211131.

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 131112021311 - 2⁶ = 131112021247 is a prime.

It is a super-2 number, since 2×131112021311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131112021311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131112021301) 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, 1741925 + ... + 1815633.

It is an arithmetic number, because the mean of its divisors is an integer number (16444479870).

Almost surely, 2^131112021311 is an apocalyptic number.

131112021311 is a deficient number, since it is larger than the sum of its proper divisors (443817649).

131112021311 is an equidigital number, since it uses as much as digits as its factorization.

131112021311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79705.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 131112021311 its reverse (113120211131), we get a palindrome (244232232442).

The spelling of 131112021311 in words is "one hundred thirty-one billion, one hundred twelve million, twenty-one thousand, three hundred eleven".