131222132130 has 16 divisors (see below), whose sum is σ = 314933117184. Its totient is φ = 34992568560.

The previous prime is 131222132117. The next prime is 131222132137. The reversal of 131222132130 is 31231222131.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131222132097 and 131222132106.

It is not an unprimeable number, because it can be changed into a prime (131222132137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2187035506 + ... + 2187035565.

It is an arithmetic number, because the mean of its divisors is an integer number (19683319824).

Almost surely, 2^131222132130 is an apocalyptic number.

131222132130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131222132130 is an abundant number, since it is smaller than the sum of its proper divisors (183710985054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131222132130 is a wasteful number, since it uses less digits than its factorization.

131222132130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374071081.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 131222132130 its reverse (31231222131), we get a palindrome (162453354261).

Subtracting from 131222132130 its reverse (31231222131), we obtain a palindrome (99990909999).

The spelling of 131222132130 in words is "one hundred thirty-one billion, two hundred twenty-two million, one hundred thirty-two thousand, one hundred thirty".