131330222311031 has 32 divisors (see below), whose sum is σ = 139497600522240. Its totient is φ = 123383062598400.

The previous prime is 131330222311027. The next prime is 131330222311087. The reversal of 131330222311031 is 130113222033131.

It is a cyclic number.

It is not a de Polignac number, because 131330222311031 - 2² = 131330222311027 is a prime.

It is a super-2 number, since 2×131330222311031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131330222311531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391326380 + ... + 391661838.

It is an arithmetic number, because the mean of its divisors is an integer number (4359300016320).

Almost surely, 2^{131330222311031} is an apocalyptic number.

131330222311031 is a deficient number, since it is larger than the sum of its proper divisors (8167378211209).

131330222311031 is a wasteful number, since it uses less digits than its factorization.

131330222311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336527.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 131330222311031 its reverse (130113222033131), we get a palindrome (261443444344162).

The spelling of 131330222311031 in words is "one hundred thirty-one trillion, three hundred thirty billion, two hundred twenty-two million, three hundred eleven thousand, thirty-one".