131303220132 has 24 divisors (see below), whose sum is σ = 350141920576. Its totient is φ = 37515205728.

The previous prime is 131303220107. The next prime is 131303220299. The reversal of 131303220132 is 231022303131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 131303220099 and 131303220108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781566703 + ... + 781566870.

Almost surely, 2^131303220132 is an apocalyptic number.

131303220132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131303220132 is an abundant number, since it is smaller than the sum of its proper divisors (218838700444).

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

131303220132 is a wasteful number, since it uses less digits than its factorization.

131303220132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563133587 (or 1563133585 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131303220132 its reverse (231022303131), we get a palindrome (362325523263).

The spelling of 131303220132 in words is "one hundred thirty-one billion, three hundred three million, two hundred twenty thousand, one hundred thirty-two".