131001203231121 has 32 divisors (see below), whose sum is σ = 184561306675200. Its totient is φ = 82423140684480.

The previous prime is 131001203231077. The next prime is 131001203231149. The reversal of 131001203231121 is 121132302100131.

It is not a de Polignac number, because 131001203231121 - 2¹¹ = 131001203229073 is a prime.

It is a super-3 number, since 3×131001203231121³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (131001203231221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14339800 + ... + 21624806.

It is an arithmetic number, because the mean of its divisors is an integer number (5767540833600).

Almost surely, 2^{131001203231121} is an apocalyptic number.

It is an amenable number.

131001203231121 is a deficient number, since it is larger than the sum of its proper divisors (53560103444079).

131001203231121 is a wasteful number, since it uses less digits than its factorization.

131001203231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7286229.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 131001203231121 its reverse (121132302100131), we get a palindrome (252133505331252).

The spelling of 131001203231121 in words is "one hundred thirty-one trillion, one billion, two hundred three million, two hundred thirty-one thousand, one hundred twenty-one".