10031040 has 196 divisors, whose sum is σ = 36646104. Its totient is φ = 2612736.

The previous prime is 10031029. The next prime is 10031041. The reversal of 10031040 is 4013001.

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

It is a nialpdrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10031041) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 233259 + ... + 233301.

Almost surely, 2^10031040 is an apocalyptic number.

10031040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10031040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18323052).

10031040 is an abundant number, since it is smaller than the sum of its proper divisors (26615064).

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

10031040 is an frugal number, since it uses more digits than its factorization.

10031040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 53 counting only the distinct ones).

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

The square root of 10031040 is about 3167.1817125009. The cubic root of 10031040 is about 215.6661509362. Note that the first 3 decimals are identical.

Adding to 10031040 its reverse (4013001), we get a palindrome (14044041).

The spelling of 10031040 in words is "ten million, thirty-one thousand, forty".