10431138 has 16 divisors (see below), whose sum is σ = 21371616. Its totient is φ = 3392160.

The previous prime is 10431103. The next prime is 10431139. The reversal of 10431138 is 83113401.

10431138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10431139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20956 + ... + 21447.

It is an arithmetic number, because the mean of its divisors is an integer number (1335726).

Almost surely, 2^10431138 is an apocalyptic number.

10431138 is an abundant number, since it is smaller than the sum of its proper divisors (10940478).

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

10431138 is a wasteful number, since it uses less digits than its factorization.

10431138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42449.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 10431138 is about 3229.7272330647. The cubic root of 10431138 is about 218.4962043791.

Adding to 10431138 its reverse (83113401), we get a palindrome (93544539).

The spelling of 10431138 in words is "ten million, four hundred thirty-one thousand, one hundred thirty-eight".