10140031 has 4 divisors (see below), whose sum is σ = 11061864. Its totient is φ = 9218200.

The previous prime is 10140029. The next prime is 10140047. The reversal of 10140031 is 13004101.

It is a happy number.

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 10140031 - 2¹ = 10140029 is a prime.

It is a super-2 number, since 2×10140031² = 205640457361922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140001) 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, 460900 + ... + 460921.

It is an arithmetic number, because the mean of its divisors is an integer number (2765466).

Almost surely, 2^10140031 is an apocalyptic number.

10140031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10140031 is a deficient number, since it is larger than the sum of its proper divisors (921833).

10140031 is an equidigital number, since it uses as much as digits as its factorization.

10140031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921832.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 10140031 is about 3184.3415331902. The cubic root of 10140031 is about 216.4444367046. Note that the first 4 decimals are identical.

Adding to 10140031 its reverse (13004101), we get a palindrome (23144132).

It can be divided in two parts, 10 and 140031, that added together give a palindrome (140041).

The spelling of 10140031 in words is "ten million, one hundred forty thousand, thirty-one".