131241400342013 has 8 divisors (see below), whose sum is σ = 141359788743768. Its totient is φ = 121126282807104.

The previous prime is 131241400341983. The next prime is 131241400342061. The reversal of 131241400342013 is 310243004142131.

It can be written as a sum of positive squares in 4 ways, for example, as 900521285764 + 130340879056249 = 948958^2 + 11416693^2 .

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 131241400342013 - 2⁶ = 131241400341949 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 (131241400302013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817633370 + ... + 817793867.

It is an arithmetic number, because the mean of its divisors is an integer number (17669973592971).

Almost surely, 2^{131241400342013} is an apocalyptic number.

131241400342013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

131241400342013 is a deficient number, since it is larger than the sum of its proper divisors (10118388401755).

131241400342013 is a wasteful number, since it uses less digits than its factorization.

131241400342013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635433423.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 131241400342013 its reverse (310243004142131), we get a palindrome (441484404484144).

The spelling of 131241400342013 in words is "one hundred thirty-one trillion, two hundred forty-one billion, four hundred million, three hundred forty-two thousand, thirteen".