131403311244121 has 16 divisors (see below), whose sum is σ = 150695577648000. Its totient is φ = 112241175948288.

The previous prime is 131403311244061. The next prime is 131403311244137. The reversal of 131403311244121 is 121442113304131.

It is a cyclic number.

It is not a de Polignac number, because 131403311244121 - 2³⁹ = 130853555430233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131403311244221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38093305 + ... + 41399353.

It is an arithmetic number, because the mean of its divisors is an integer number (9418473603000).

Almost surely, 2^{131403311244121} is an apocalyptic number.

It is an amenable number.

131403311244121 is a deficient number, since it is larger than the sum of its proper divisors (19292266403879).

131403311244121 is a wasteful number, since it uses less digits than its factorization.

131403311244121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325728.

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 131403311244121 its reverse (121442113304131), we get a palindrome (252845424548252).

The spelling of 131403311244121 in words is "one hundred thirty-one trillion, four hundred three billion, three hundred eleven million, two hundred forty-four thousand, one hundred twenty-one".