18675100331 has 2 divisors, whose sum is σ = 18675100332. Its totient is φ = 18675100330.

The previous prime is 18675100307. The next prime is 18675100343. The reversal of 18675100331 is 13300157681.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18675100331 - 2⁶ = 18675100267 is a prime.

It is a super-2 number, since 2×18675100331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18675100291 and 18675100300.

It is not a weakly prime, because it can be changed into another prime (18675102331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9337550165 + 9337550166.

It is an arithmetic number, because the mean of its divisors is an integer number (9337550166).

Almost surely, 2^18675100331 is an apocalyptic number.

18675100331 is a deficient number, since it is larger than the sum of its proper divisors (1).

18675100331 is an equidigital number, since it uses as much as digits as its factorization.

18675100331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 18675100331 in words is "eighteen billion, six hundred seventy-five million, one hundred thousand, three hundred thirty-one".