318883814811 has 6 divisors (see below), whose sum is σ = 460609954740. Its totient is φ = 212589209868.

The previous prime is 318883814783. The next prime is 318883814813. The reversal of 318883814811 is 118418388813.

318883814811 is a `hidden beast` number, since 3 + 1 + 8 + 8 + 83 + 81 + 481 + 1 = 666.

It is not a de Polignac number, because 318883814811 - 2⁶ = 318883814747 is a prime.

It is a super-2 number, since 2×318883814811² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (318883814813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17715767481 + ... + 17715767498.

It is an arithmetic number, because the mean of its divisors is an integer number (76768325790).

Almost surely, 2^318883814811 is an apocalyptic number.

318883814811 is a deficient number, since it is larger than the sum of its proper divisors (141726139929).

318883814811 is a wasteful number, since it uses less digits than its factorization.

318883814811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35431534985 (or 35431534982 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 54.

The spelling of 318883814811 in words is "three hundred eighteen billion, eight hundred eighty-three million, eight hundred fourteen thousand, eight hundred eleven".