131311133211 has 4 divisors (see below), whose sum is σ = 175081510952. Its totient is φ = 87540755472.

The previous prime is 131311133201. The next prime is 131311133221. The reversal of 131311133211 is 112331113131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (131311133201) and next prime (131311133221).

It is not a de Polignac number, because 131311133211 - 2¹¹ = 131311131163 is a prime.

It is a super-2 number, since 2×131311133211² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131311133201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21885188866 + ... + 21885188871.

It is an arithmetic number, because the mean of its divisors is an integer number (43770377738).

Almost surely, 2^131311133211 is an apocalyptic number.

131311133211 is a deficient number, since it is larger than the sum of its proper divisors (43770377741).

131311133211 is an equidigital number, since it uses as much as digits as its factorization.

131311133211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43770377740.

The product of its digits is 162, while the sum is 21.

Adding to 131311133211 its reverse (112331113131), we get a palindrome (243642246342).

The spelling of 131311133211 in words is "one hundred thirty-one billion, three hundred eleven million, one hundred thirty-three thousand, two hundred eleven".