131121154121322 has 16 divisors (see below), whose sum is σ = 262242807472800. Its totient is φ = 43706968168752.

The previous prime is 131121154121281. The next prime is 131121154121329. The reversal of 131121154121322 is 223121451121131.

It is a happy number.

131121154121322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 131121154121322.

It is not an unprimeable number, because it can be changed into a prime (131121154121329) 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, 17342613 + ... + 23727800.

It is an arithmetic number, because the mean of its divisors is an integer number (16390175467050).

Almost surely, 2^{131121154121322} is an apocalyptic number.

131121154121322 is an abundant number, since it is smaller than the sum of its proper divisors (131121653351478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131121154121322 is a wasteful number, since it uses less digits than its factorization.

131121154121322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41602517.

The product of its digits is 2880, while the sum is 30.

The spelling of 131121154121322 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, one hundred fifty-four million, one hundred twenty-one thousand, three hundred twenty-two".