131322203331 has 16 divisors (see below), whose sum is σ = 197600808960. Its totient is φ = 76844757920.

The previous prime is 131322203323. The next prime is 131322203377. The reversal of 131322203331 is 133302223131.

It is a cyclic number.

It is not a de Polignac number, because 131322203331 - 2³ = 131322203323 is a prime.

It is a super-2 number, since 2×131322203331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131322203531) 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, 68610435 + ... + 68612348.

It is an arithmetic number, because the mean of its divisors is an integer number (12350050560).

Almost surely, 2^131322203331 is an apocalyptic number.

131322203331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

131322203331 is a deficient number, since it is larger than the sum of its proper divisors (66278605629).

131322203331 is a wasteful number, since it uses less digits than its factorization.

131322203331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137222826.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131322203331 its reverse (133302223131), we get a palindrome (264624426462).

The spelling of 131322203331 in words is "one hundred thirty-one billion, three hundred twenty-two million, two hundred three thousand, three hundred thirty-one".