131311111022311 has 8 divisors (see below), whose sum is σ = 143248810506624. Its totient is φ = 119373465830520.

The previous prime is 131311111022293. The next prime is 131311111022353. The reversal of 131311111022311 is 113220111113131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131311111022311 - 2⁹ = 131311111021799 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 (131311111022381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8431395 + ... + 18267748.

It is an arithmetic number, because the mean of its divisors is an integer number (17906101313328).

Almost surely, 2^{131311111022311} is an apocalyptic number.

131311111022311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131311111022311 is a deficient number, since it is larger than the sum of its proper divisors (11937699484313).

131311111022311 is a wasteful number, since it uses less digits than its factorization.

131311111022311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27146261.

The product of its (nonzero) digits is 108, while the sum is 22.

Adding to 131311111022311 its reverse (113220111113131), we get a palindrome (244531222135442).

The spelling of 131311111022311 in words is "one hundred thirty-one trillion, three hundred eleven billion, one hundred eleven million, twenty-two thousand, three hundred eleven".