131045402205121 has 8 divisors (see below), whose sum is σ = 131315479667840. Its totient is φ = 130775328802368.

The previous prime is 131045402205097. The next prime is 131045402205229. The reversal of 131045402205121 is 121502204540131.

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 131045402205121 - 2⁵ = 131045402205089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131045402205821) 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, 68507140 + ... + 70394026.

It is an arithmetic number, because the mean of its divisors is an integer number (16414434958480).

Almost surely, 2^{131045402205121} is an apocalyptic number.

It is an amenable number.

131045402205121 is a deficient number, since it is larger than the sum of its proper divisors (270077462719).

131045402205121 is a wasteful number, since it uses less digits than its factorization.

131045402205121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029983.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 131045402205121 its reverse (121502204540131), we get a palindrome (252547606745252).

The spelling of 131045402205121 in words is "one hundred thirty-one trillion, forty-five billion, four hundred two million, two hundred five thousand, one hundred twenty-one".