131311101233101 has 4 divisors (see below), whose sum is σ = 131353337035900. Its totient is φ = 131268865430304.

The previous prime is 131311101233089. The next prime is 131311101233107. The reversal of 131311101233101 is 101332101113131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32937831244201 + 98373269988900 = 5739149^2 + 9918330^2 .

It is a cyclic number.

It is not a de Polignac number, because 131311101233101 - 2¹³ = 131311101224909 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 (131311101233107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21117896736 + ... + 21117902953.

It is an arithmetic number, because the mean of its divisors is an integer number (32838334258975).

Almost surely, 2^{131311101233101} is an apocalyptic number.

It is an amenable number.

131311101233101 is a deficient number, since it is larger than the sum of its proper divisors (42235802799).

131311101233101 is an equidigital number, since it uses as much as digits as its factorization.

131311101233101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42235802798.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 131311101233101 its reverse (101332101113131), we get a palindrome (232643202346232).

The spelling of 131311101233101 in words is "one hundred thirty-one trillion, three hundred eleven billion, one hundred one million, two hundred thirty-three thousand, one hundred one".