4201231434131 has 4 divisors (see below), whose sum is σ = 4201553701632. Its totient is φ = 4200909166632.

The previous prime is 4201231434097. The next prime is 4201231434173. The reversal of 4201231434131 is 1314341321024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4201231434131 is a prime.

It is a super-2 number, since 2×4201231434131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4201231434094 and 4201231434103.

It is not an unprimeable number, because it can be changed into a prime (4201231434031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161114195 + ... + 161140268.

It is an arithmetic number, because the mean of its divisors is an integer number (1050388425408).

Almost surely, 2^{4201231434131} is an apocalyptic number.

4201231434131 is a deficient number, since it is larger than the sum of its proper divisors (322267501).

4201231434131 is a wasteful number, since it uses less digits than its factorization.

4201231434131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322267500.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 4201231434131 its reverse (1314341321024), we get a palindrome (5515572755155).

The spelling of 4201231434131 in words is "four trillion, two hundred one billion, two hundred thirty-one million, four hundred thirty-four thousand, one hundred thirty-one".