10138031 has 4 divisors (see below), whose sum is σ = 10149000. Its totient is φ = 10127064.

The previous prime is 10138027. The next prime is 10138043. The reversal of 10138031 is 13083101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 13083101 = 131 ⋅99871.

It is a cyclic number.

It is not a de Polignac number, because 10138031 - 2² = 10138027 is a prime.

It is a super-2 number, since 2×10138031² = 205559345113922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10138091) 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, 3956 + ... + 5993.

It is an arithmetic number, because the mean of its divisors is an integer number (2537250).

Almost surely, 2^10138031 is an apocalyptic number.

10138031 is a deficient number, since it is larger than the sum of its proper divisors (10969).

10138031 is an equidigital number, since it uses as much as digits as its factorization.

10138031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10968.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 10138031 is about 3184.0274810372. The cubic root of 10138031 is about 216.4302054090.

The spelling of 10138031 in words is "ten million, one hundred thirty-eight thousand, thirty-one".