131210312122 has 8 divisors (see below), whose sum is σ = 199186739136. Its totient is φ = 64814732412.

The previous prime is 131210312083. The next prime is 131210312131. The reversal of 131210312122 is 221213012131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×131210312122² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131210312122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395211618 + ... + 395211949.

It is an arithmetic number, because the mean of its divisors is an integer number (24898342392).

Almost surely, 2^131210312122 is an apocalyptic number.

131210312122 is a deficient number, since it is larger than the sum of its proper divisors (67976427014).

131210312122 is an equidigital number, since it uses as much as digits as its factorization.

131210312122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790423652.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 131210312122 its reverse (221213012131), we get a palindrome (352423324253).

The spelling of 131210312122 in words is "one hundred thirty-one billion, two hundred ten million, three hundred twelve thousand, one hundred twenty-two".