131123223223331 has 16 divisors (see below), whose sum is σ = 146810432579328. Its totient is φ = 116516216294400.

The previous prime is 131123223223301. The next prime is 131123223223337. The reversal of 131123223223331 is 133322322321131.

It is not a de Polignac number, because 131123223223331 - 2¹⁰ = 131123223222307 is a prime.

It is a super-2 number, since 2×131123223223331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131123223223337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3034254860 + ... + 3034298073.

It is an arithmetic number, because the mean of its divisors is an integer number (9175652036208).

Almost surely, 2^{131123223223331} is an apocalyptic number.

131123223223331 is a deficient number, since it is larger than the sum of its proper divisors (15687209355997).

131123223223331 is a wasteful number, since it uses less digits than its factorization.

131123223223331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068553022.

The product of its digits is 23328, while the sum is 32.

Adding to 131123223223331 its reverse (133322322321131), we get a palindrome (264445545544462).

The spelling of 131123223223331 in words is "one hundred thirty-one trillion, one hundred twenty-three billion, two hundred twenty-three million, two hundred twenty-three thousand, three hundred thirty-one".