10018368231 has 4 divisors (see below), whose sum is σ = 13357824312. Its totient is φ = 6678912152.

The previous prime is 10018368229. The next prime is 10018368251. The reversal of 10018368231 is 13286381001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10018368231 - 2¹ = 10018368229 is a prime.

It is a super-2 number, since 2×10018368231² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10018368192 and 10018368201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10018368211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1669728036 + ... + 1669728041.

It is an arithmetic number, because the mean of its divisors is an integer number (3339456078).

Almost surely, 2^10018368231 is an apocalyptic number.

10018368231 is a deficient number, since it is larger than the sum of its proper divisors (3339456081).

10018368231 is an equidigital number, since it uses as much as digits as its factorization.

10018368231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339456080.

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 10018368231 in words is "ten billion, eighteen million, three hundred sixty-eight thousand, two hundred thirty-one".