131166125343 has 24 divisors (see below), whose sum is σ = 206798207616. Its totient is φ = 79451470800.

The previous prime is 131166125317. The next prime is 131166125351. The reversal of 131166125343 is 343521661131.

131166125343 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 6 + 612 + 5 + 34 + 3 = 666.

It is not a de Polignac number, because 131166125343 - 2²⁵ = 131132570911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131166125298 and 131166125307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131166125393) 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, 175813 + ... + 541518.

It is an arithmetic number, because the mean of its divisors is an integer number (8616591984).

Almost surely, 2^131166125343 is an apocalyptic number.

131166125343 is a deficient number, since it is larger than the sum of its proper divisors (75632082273).

131166125343 is a wasteful number, since it uses less digits than its factorization.

131166125343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719195 (or 719192 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

Adding to 131166125343 its reverse (343521661131), we get a palindrome (474687786474).

The spelling of 131166125343 in words is "one hundred thirty-one billion, one hundred sixty-six million, one hundred twenty-five thousand, three hundred forty-three".