131564317115 has 32 divisors (see below), whose sum is σ = 197933621760. Its totient is φ = 81555897600.

The previous prime is 131564317111. The next prime is 131564317147. The reversal of 131564317115 is 511713465131.

It is not a de Polignac number, because 131564317115 - 2² = 131564317111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131564317111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 885626 + ... + 1023455.

It is an arithmetic number, because the mean of its divisors is an integer number (6185425680).

Almost surely, 2^131564317115 is an apocalyptic number.

131564317115 is a deficient number, since it is larger than the sum of its proper divisors (66369304645).

131564317115 is a wasteful number, since it uses less digits than its factorization.

131564317115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909283.

The product of its digits is 37800, while the sum is 38.

The spelling of 131564317115 in words is "one hundred thirty-one billion, five hundred sixty-four million, three hundred seventeen thousand, one hundred fifteen".