131313220132 has 6 divisors (see below), whose sum is σ = 229798135238. Its totient is φ = 65656610064.

The previous prime is 131313220127. The next prime is 131313220151. The reversal of 131313220132 is 231022313131.

It can be written as a sum of positive squares in only one way, i.e., 113977811236 + 17335408896 = 337606^2 + 131664^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 16414152513 + ... + 16414152520.

Almost surely, 2^131313220132 is an apocalyptic number.

It is an amenable number.

131313220132 is a deficient number, since it is larger than the sum of its proper divisors (98484915106).

131313220132 is a wasteful number, since it uses less digits than its factorization.

131313220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32828305037 (or 32828305035 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131313220132 its reverse (231022313131), we get a palindrome (362335533263).

The spelling of 131313220132 in words is "one hundred thirty-one billion, three hundred thirteen million, two hundred twenty thousand, one hundred thirty-two".