318832156106 has 4 divisors (see below), whose sum is σ = 478248234162. Its totient is φ = 159416078052.

The previous prime is 318832156051. The next prime is 318832156133. The reversal of 318832156106 is 601651238813.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601651238813 = 647 ⋅929909179.

It can be written as a sum of positive squares in only one way, i.e., 176143893025 + 142688263081 = 419695^2 + 377741^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79708039025 + ... + 79708039028.

Almost surely, 2^318832156106 is an apocalyptic number.

318832156106 is a deficient number, since it is larger than the sum of its proper divisors (159416078056).

318832156106 is a wasteful number, since it uses less digits than its factorization.

318832156106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159416078055.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 318832156106 in words is "three hundred eighteen billion, eight hundred thirty-two million, one hundred fifty-six thousand, one hundred six".