131020441421232 has 40 divisors (see below), whose sum is σ = 369239425824960. Its totient is φ = 39703164066880.

The previous prime is 131020441421227. The next prime is 131020441421263. The reversal of 131020441421232 is 232124144020131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131020441421232.

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, 124072387182 + ... + 124072388237.

It is an arithmetic number, because the mean of its divisors is an integer number (9230985645624).

Almost surely, 2^{131020441421232} is an apocalyptic number.

131020441421232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131020441421232 is an abundant number, since it is smaller than the sum of its proper divisors (238218984403728).

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

131020441421232 is a wasteful number, since it uses less digits than its factorization.

131020441421232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248144775441 (or 248144775435 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 131020441421232 its reverse (232124144020131), we get a palindrome (363144585441363).

The spelling of 131020441421232 in words is "one hundred thirty-one trillion, twenty billion, four hundred forty-one million, four hundred twenty-one thousand, two hundred thirty-two".