131141123243220 has 48 divisors (see below), whose sum is σ = 372675669645888. Its totient is φ = 34449011477760.

The previous prime is 131141123243219. The next prime is 131141123243227. The reversal of 131141123243220 is 22342321141131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131141123243227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16311080961 + ... + 16311089000.

It is an arithmetic number, because the mean of its divisors is an integer number (7764076450956).

Almost surely, 2^{131141123243220} is an apocalyptic number.

131141123243220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131141123243220 is an abundant number, since it is smaller than the sum of its proper divisors (241534546402668).

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

131141123243220 is a wasteful number, since it uses less digits than its factorization.

131141123243220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32622170040 (or 32622170038 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 131141123243220 its reverse (22342321141131), we get a palindrome (153483444384351).

The spelling of 131141123243220 in words is "one hundred thirty-one trillion, one hundred forty-one billion, one hundred twenty-three million, two hundred forty-three thousand, two hundred twenty".