131143123204 has 6 divisors (see below), whose sum is σ = 229500465614. Its totient is φ = 65571561600.

The previous prime is 131143123157. The next prime is 131143123213. The reversal of 131143123204 is 402321341131.

It can be written as a sum of positive squares in only one way, i.e., 130430767104 + 712356100 = 361152^2 + 26690^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16392890397 + ... + 16392890404.

Almost surely, 2^131143123204 is an apocalyptic number.

It is an amenable number.

131143123204 is a deficient number, since it is larger than the sum of its proper divisors (98357342410).

131143123204 is a wasteful number, since it uses less digits than its factorization.

131143123204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32785780805 (or 32785780803 counting only the distinct ones).

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

Adding to 131143123204 its reverse (402321341131), we get a palindrome (533464464335).

The spelling of 131143123204 in words is "one hundred thirty-one billion, one hundred forty-three million, one hundred twenty-three thousand, two hundred four".