131122340331 has 64 divisors (see below), whose sum is σ = 188820564480. Its totient is φ = 80647649280.

The previous prime is 131122340311. The next prime is 131122340353. The reversal of 131122340331 is 133043221131.

It is not a de Polignac number, because 131122340331 - 2⁹ = 131122339819 is a prime.

It is a super-2 number, since 2×131122340331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131122340311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 396139836 + ... + 396140166.

It is an arithmetic number, because the mean of its divisors is an integer number (2950321320).

Almost surely, 2^131122340331 is an apocalyptic number.

131122340331 is a deficient number, since it is larger than the sum of its proper divisors (57698224149).

131122340331 is a wasteful number, since it uses less digits than its factorization.

131122340331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004.

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

Adding to 131122340331 its reverse (133043221131), we get a palindrome (264165561462).

The spelling of 131122340331 in words is "one hundred thirty-one billion, one hundred twenty-two million, three hundred forty thousand, three hundred thirty-one".