10431018 has 72 divisors (see below), whose sum is σ = 25579008. Its totient is φ = 3184272.

The previous prime is 10431017. The next prime is 10431041. The reversal of 10431018 is 81013401.

10431018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10431018² = 217612273032648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10431011) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 82071 + ... + 82197.

It is an arithmetic number, because the mean of its divisors is an integer number (355264).

Almost surely, 2^10431018 is an apocalyptic number.

10431018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10431018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12789504).

10431018 is an abundant number, since it is smaller than the sum of its proper divisors (15147990).

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

10431018 is a wasteful number, since it uses less digits than its factorization.

10431018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 10431018 is about 3229.7086555911. The cubic root of 10431018 is about 218.4953665145.

Adding to 10431018 its reverse (81013401), we get a palindrome (91444419).

The spelling of 10431018 in words is "ten million, four hundred thirty-one thousand, eighteen".