131331421001123 has 16 divisors (see below), whose sum is σ = 150678189845184. Its totient is φ = 112130942976000.

The previous prime is 131331421001069. The next prime is 131331421001159. The reversal of 131331421001123 is 321100124133131.

It is a cyclic number.

It is not a de Polignac number, because 131331421001123 - 2³⁸ = 131056543094179 is a prime.

It is a super-2 number, since 2×131331421001123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131331421001092 and 131331421001101.

It is not an unprimeable number, because it can be changed into a prime (131331421001423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455904311 + ... + 456192287.

It is an arithmetic number, because the mean of its divisors is an integer number (9417386865324).

Almost surely, 2^{131331421001123} is an apocalyptic number.

131331421001123 is a deficient number, since it is larger than the sum of its proper divisors (19346768844061).

131331421001123 is a wasteful number, since it uses less digits than its factorization.

131331421001123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541742.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 131331421001123 its reverse (321100124133131), we get a palindrome (452431545134254).

The spelling of 131331421001123 in words is "one hundred thirty-one trillion, three hundred thirty-one billion, four hundred twenty-one million, one thousand, one hundred twenty-three".