131201421023403 has 24 divisors (see below), whose sum is σ = 191361437075328. Its totient is φ = 86615950724352.

The previous prime is 131201421023369. The next prime is 131201421023423. The reversal of 131201421023403 is 304320124102131.

131201421023403 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 0 + 1 + 421 + 0 + 234 + 0 + 3 = 666.

It is not a de Polignac number, because 131201421023403 - 2¹² = 131201421019307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131201421023423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56611675 + ... + 58883652.

It is an arithmetic number, because the mean of its divisors is an integer number (7973393211472).

Almost surely, 2^{131201421023403} is an apocalyptic number.

131201421023403 is a deficient number, since it is larger than the sum of its proper divisors (60160016051925).

131201421023403 is a wasteful number, since it uses less digits than its factorization.

131201421023403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115496563 (or 115496560 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 131201421023403 its reverse (304320124102131), we get a palindrome (435521545125534).

The spelling of 131201421023403 in words is "one hundred thirty-one trillion, two hundred one billion, four hundred twenty-one million, twenty-three thousand, four hundred three".