8231373018 has 24 divisors (see below), whose sum is σ = 19455973056. Its totient is φ = 2494355400.

The previous prime is 8231373013. The next prime is 8231373041. The reversal of 8231373018 is 8103731328.

It is a super-2 number, since 2×8231373018² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8231373013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20786098 + ... + 20786493.

It is an arithmetic number, because the mean of its divisors is an integer number (810665544).

Almost surely, 2^8231373018 is an apocalyptic number.

8231373018 is an abundant number, since it is smaller than the sum of its proper divisors (11224600038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8231373018 is a wasteful number, since it uses less digits than its factorization.

8231373018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41572610 (or 41572607 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 8231373018 is about 90726.9145182398. The cubic root of 8231373018 is about 2019.0981349679.

The spelling of 8231373018 in words is "eight billion, two hundred thirty-one million, three hundred seventy-three thousand, eighteen".