131010123333121 has 4 divisors (see below), whose sum is σ = 132169504955652. Its totient is φ = 129850741710592.

The previous prime is 131010123333083. The next prime is 131010123333149. The reversal of 131010123333121 is 121333321010131.

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 618023961025 + 130392099372096 = 786145^2 + 11418936^2 .

It is a cyclic number.

It is not a de Polignac number, because 131010123333121 - 2⁹ = 131010123332609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131010123333521) 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, 579690811096 + ... + 579690811321.

It is an arithmetic number, because the mean of its divisors is an integer number (33042376238913).

Almost surely, 2^{131010123333121} is an apocalyptic number.

It is an amenable number.

131010123333121 is a deficient number, since it is larger than the sum of its proper divisors (1159381622531).

131010123333121 is a wasteful number, since it uses less digits than its factorization.

131010123333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159381622530.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 131010123333121 its reverse (121333321010131), we get a palindrome (252343444343252).

The spelling of 131010123333121 in words is "one hundred thirty-one trillion, ten billion, one hundred twenty-three million, three hundred thirty-three thousand, one hundred twenty-one".