131322223131 has 64 divisors (see below), whose sum is σ = 195526656000. Its totient is φ = 77737968000.

The previous prime is 131322223103. The next prime is 131322223243.

131322223131 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 131322223131 - 2¹¹ = 131322221083 is a prime.

It is a super-2 number, since 2×131322223131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131322223831) 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 63 ways as a sum of consecutive naturals, for example, 84234130 + ... + 84235688.

It is an arithmetic number, because the mean of its divisors is an integer number (3055104000).

Almost surely, 2^131322223131 is an apocalyptic number.

131322223131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131322223131 is a deficient number, since it is larger than the sum of its proper divisors (64204432869).

131322223131 is a wasteful number, since it uses less digits than its factorization.

131322223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000.

The product of its digits is 1296, while the sum is 24.

It can be divided in two parts, 131322 and 223131, that added together give a palindrome (354453).

The spelling of 131322223131 in words is "one hundred thirty-one billion, three hundred twenty-two million, two hundred twenty-three thousand, one hundred thirty-one".