131121110113131 has 16 divisors (see below), whose sum is σ = 185210150378400. Its totient is φ = 82228515790848.

The previous prime is 131121110113109. The next prime is 131121110113163. The reversal of 131121110113131 is 131311011121131.

It is not a de Polignac number, because 131121110113131 - 2⁶ = 131121110113067 is a prime.

It is a super-2 number, since 2×131121110113131² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131121110113098 and 131121110113107.

It is not an unprimeable number, because it can be changed into a prime (131121110113171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680423026 + ... + 680615703.

It is an arithmetic number, because the mean of its divisors is an integer number (11575634398650).

Almost surely, 2^{131121110113131} is an apocalyptic number.

131121110113131 is a deficient number, since it is larger than the sum of its proper divisors (54089040265269).

131121110113131 is a wasteful number, since it uses less digits than its factorization.

131121110113131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361040638.

The product of its (nonzero) digits is 54, while the sum is 21.

Adding to 131121110113131 its reverse (131311011121131), we get a palindrome (262432121234262).

The spelling of 131121110113131 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, one hundred ten million, one hundred thirteen thousand, one hundred thirty-one".