131423131323101 has 4 divisors (see below), whose sum is σ = 131437353075804. Its totient is φ = 131408909570400.

The previous prime is 131423131323049. The next prime is 131423131323151. The reversal of 131423131323101 is 101323131324131.

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 130741524219076 + 681607104025 = 11434226^2 + 825595^2 .

It is a cyclic number.

It is not a de Polignac number, because 131423131323101 - 2¹⁴ = 131423131306717 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 (131423131323151) 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, 7110862490 + ... + 7110880971.

It is an arithmetic number, because the mean of its divisors is an integer number (32859338268951).

Almost surely, 2^{131423131323101} is an apocalyptic number.

It is an amenable number.

131423131323101 is a deficient number, since it is larger than the sum of its proper divisors (14221752703).

131423131323101 is an equidigital number, since it uses as much as digits as its factorization.

131423131323101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14221752702.

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 131423131323101 its reverse (101323131324131), we get a palindrome (232746262647232).

The spelling of 131423131323101 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, one hundred thirty-one million, three hundred twenty-three thousand, one hundred one".