131141252420 has 48 divisors (see below), whose sum is σ = 290182791360. Its totient is φ = 49645643904.

The previous prime is 131141252419. The next prime is 131141252503. The reversal of 131141252420 is 24252141131.

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 131141252420.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205787 + ... + 551933.

It is an arithmetic number, because the mean of its divisors is an integer number (6045474820).

Almost surely, 2^131141252420 is an apocalyptic number.

131141252420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131141252420 is an abundant number, since it is smaller than the sum of its proper divisors (159041538940).

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

131141252420 is a wasteful number, since it uses less digits than its factorization.

131141252420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347172 (or 347170 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 131141252420 its reverse (24252141131), we get a palindrome (155393393551).

The spelling of 131141252420 in words is "one hundred thirty-one billion, one hundred forty-one million, two hundred fifty-two thousand, four hundred twenty".