134231204131 has 6 divisors (see below), whose sum is σ = 134930343660. Its totient is φ = 133535668608.

The previous prime is 134231204113. The next prime is 134231204141. The reversal of 134231204131 is 131402132431.

It is not a de Polignac number, because 134231204131 - 2¹³ = 134231195939 is a prime.

It is a super-2 number, since 2×134231204131² (a number of 23 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 = 134231204096 and 134231204105.

It is not an unprimeable number, because it can be changed into a prime (134231204141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1764561 + ... + 1839058.

It is an arithmetic number, because the mean of its divisors is an integer number (22488390610).

Almost surely, 2^134231204131 is an apocalyptic number.

134231204131 is a deficient number, since it is larger than the sum of its proper divisors (699139529).

134231204131 is an frugal number, since it uses more digits than its factorization.

134231204131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604005 (or 3603812 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 134231204131 its reverse (131402132431), we get a palindrome (265633336562).

The spelling of 134231204131 in words is "one hundred thirty-four billion, two hundred thirty-one million, two hundred four thousand, one hundred thirty-one".