131201204033420 has 24 divisors (see below), whose sum is σ = 276725683626000. Its totient is φ = 52251309202752.

The previous prime is 131201204033381. The next prime is 131201204033443. The reversal of 131201204033420 is 24330402102131.

It is a self number, because there is not a number n which added to its sum of digits gives 131201204033420.

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, 14323270970 + ... + 14323280129.

It is an arithmetic number, because the mean of its divisors is an integer number (11530236817750).

Almost surely, 2^{131201204033420} is an apocalyptic number.

131201204033420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131201204033420 is an abundant number, since it is smaller than the sum of its proper divisors (145524479592580).

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

131201204033420 is a wasteful number, since it uses less digits than its factorization.

131201204033420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28646551337 (or 28646551335 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 131201204033420 its reverse (24330402102131), we get a palindrome (155531606135551).

The spelling of 131201204033420 in words is "one hundred thirty-one trillion, two hundred one billion, two hundred four million, thirty-three thousand, four hundred twenty".