131507404220 has 96 divisors (see below), whose sum is σ = 295085488320. Its totient is φ = 49057136640.

The previous prime is 131507404201. The next prime is 131507404241. The reversal of 131507404220 is 22404705131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28830740 + ... + 28835300.

It is an arithmetic number, because the mean of its divisors is an integer number (3073807170).

Almost surely, 2^131507404220 is an apocalyptic number.

131507404220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131507404220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147542744160).

131507404220 is an abundant number, since it is smaller than the sum of its proper divisors (163578084100).

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

131507404220 is a wasteful number, since it uses less digits than its factorization.

131507404220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343 (or 5341 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 131507404220 in words is "one hundred thirty-one billion, five hundred seven million, four hundred four thousand, two hundred twenty".