131222313330 has 96 divisors (see below), whose sum is σ = 322570854144. Its totient is φ = 34161329664.

The previous prime is 131222313323. The next prime is 131222313331. The reversal of 131222313330 is 33313222131.

It is a self number, because there is not a number n which added to its sum of digits gives 131222313330.

It is not an unprimeable number, because it can be changed into a prime (131222313331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15213399 + ... + 15222021.

It is an arithmetic number, because the mean of its divisors is an integer number (3360113064).

Almost surely, 2^131222313330 is an apocalyptic number.

131222313330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131222313330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161285427072).

131222313330 is an abundant number, since it is smaller than the sum of its proper divisors (191348540814).

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

131222313330 is a wasteful number, since it uses less digits than its factorization.

131222313330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8880 (or 8813 counting only the distinct ones).

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

Adding to 131222313330 its reverse (33313222131), we get a palindrome (164535535461).

The spelling of 131222313330 in words is "one hundred thirty-one billion, two hundred twenty-two million, three hundred thirteen thousand, three hundred thirty".