131517106345 has 8 divisors (see below), whose sum is σ = 159295486464. Its totient is φ = 104230379184.

The previous prime is 131517106333. The next prime is 131517106349. The reversal of 131517106345 is 543601715131.

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

It is a cyclic number.

It is not a de Polignac number, because 131517106345 - 2²⁹ = 130980235433 is a prime.

It is a super-2 number, since 2×131517106345² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131517106349) 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, 122912649 + ... + 122913718.

It is an arithmetic number, because the mean of its divisors is an integer number (19911935808).

Almost surely, 2^131517106345 is an apocalyptic number.

It is an amenable number.

131517106345 is a deficient number, since it is larger than the sum of its proper divisors (27778380119).

131517106345 is a wasteful number, since it uses less digits than its factorization.

131517106345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245826479.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 131517106345 in words is "one hundred thirty-one billion, five hundred seventeen million, one hundred six thousand, three hundred forty-five".