131001313120421 has 8 divisors (see below), whose sum is σ = 132043880002560. Its totient is φ = 129958919058528.

The previous prime is 131001313120399. The next prime is 131001313120451. The reversal of 131001313120421 is 124021313100131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131001313120421 - 2¹⁴ = 131001313104037 is a prime.

It is a super-2 number, since 2×131001313120421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131001313120451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41682776 + ... + 44715281.

It is an arithmetic number, because the mean of its divisors is an integer number (16505485000320).

Almost surely, 2^{131001313120421} is an apocalyptic number.

It is an amenable number.

131001313120421 is a deficient number, since it is larger than the sum of its proper divisors (1042566882139).

131001313120421 is a wasteful number, since it uses less digits than its factorization.

131001313120421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86410123.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 131001313120421 its reverse (124021313100131), we get a palindrome (255022626220552).

The spelling of 131001313120421 in words is "one hundred thirty-one trillion, one billion, three hundred thirteen million, one hundred twenty thousand, four hundred twenty-one".