131311111302111 has 32 divisors (see below), whose sum is σ = 189222732421632. Its totient is φ = 80518305974400.

The previous prime is 131311111302083. The next prime is 131311111302127. The reversal of 131311111302111 is 111203111113131.

It is not a de Polignac number, because 131311111302111 - 2²³ = 131311102913503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131311111302011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71575636 + ... + 73387286.

It is an arithmetic number, because the mean of its divisors is an integer number (5913210388176).

Almost surely, 2^{131311111302111} is an apocalyptic number.

131311111302111 is a deficient number, since it is larger than the sum of its proper divisors (57911621119521).

131311111302111 is a wasteful number, since it uses less digits than its factorization.

131311111302111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818303.

The product of its (nonzero) digits is 54, while the sum is 21.

Adding to 131311111302111 its reverse (111203111113131), we get a palindrome (242514222415242).

The spelling of 131311111302111 in words is "one hundred thirty-one trillion, three hundred eleven billion, one hundred eleven million, three hundred two thousand, one hundred eleven".