10040031 has 24 divisors (see below), whose sum is σ = 15258880. Its totient is φ = 6595992.

The previous prime is 10040011. The next prime is 10040057. The reversal of 10040031 is 13004001.

It is a de Polignac number, because none of the positive numbers 2^k-10040031 is a prime.

It is a super-2 number, since 2×10040031² = 201604444961922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10039995 and 10040022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18936 + ... + 19458.

Almost surely, 2^10040031 is an apocalyptic number.

10040031 is a deficient number, since it is larger than the sum of its proper divisors (5218849).

10040031 is an frugal number, since it uses more digits than its factorization.

10040031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10040031 is about 3168.6007953038. The cubic root of 10040031 is about 215.7305668331.

Adding to 10040031 its reverse (13004001), we get a palindrome (23044032).

It can be divided in two parts, 1004003 and 1, that added together give a square (1004004 = 1002²).

The spelling of 10040031 in words is "ten million, forty thousand, thirty-one".