131311313111 has 8 divisors (see below), whose sum is σ = 144667010448. Its totient is φ = 118192000000.

The previous prime is 131311313083. The next prime is 131311313137. The reversal of 131311313111 is 111313113131.

It is a happy number.

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 131311313111 - 2⁶ = 131311313047 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 (131311313171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59094890 + ... + 59097111.

It is an arithmetic number, because the mean of its divisors is an integer number (18083376306).

Almost surely, 2^131311313111 is an apocalyptic number.

131311313111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131311313111 is a deficient number, since it is larger than the sum of its proper divisors (13355697337).

131311313111 is a wasteful number, since it uses less digits than its factorization.

131311313111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118192113.

The product of its digits is 81, while the sum is 20.

Adding to 131311313111 its reverse (111313113131), we get a palindrome (242624426242).

It can be divided in two parts, 1313113131 and 11, that multiplied together give a palindrome (14444244441).

The spelling of 131311313111 in words is "one hundred thirty-one billion, three hundred eleven million, three hundred thirteen thousand, one hundred eleven".