131020421042140 has 24 divisors (see below), whose sum is σ = 314449010501472. Its totient is φ = 44921287214400.

The previous prime is 131020421042123. The next prime is 131020421042167. The reversal of 131020421042140 is 41240124020131.

It is a congruent number.

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, 467930075011 + ... + 467930075290.

It is an arithmetic number, because the mean of its divisors is an integer number (13102042104228).

Almost surely, 2^{131020421042140} is an apocalyptic number.

131020421042140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131020421042140 is an abundant number, since it is smaller than the sum of its proper divisors (183428589459332).

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

131020421042140 is a wasteful number, since it uses less digits than its factorization.

131020421042140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935860150317 (or 935860150315 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 131020421042140 its reverse (41240124020131), we get a palindrome (172260545062271).

The spelling of 131020421042140 in words is "one hundred thirty-one trillion, twenty billion, four hundred twenty-one million, forty-two thousand, one hundred forty".