31040414 has 16 divisors (see below), whose sum is σ = 49292880. Its totient is φ = 14618880.

The previous prime is 31040413. The next prime is 31040459. The reversal of 31040414 is 41404013.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31040392 and 31040401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31040413) 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, 4622 + ... + 9134.

It is an arithmetic number, because the mean of its divisors is an integer number (3080805).

Almost surely, 2^31040414 is an apocalyptic number.

31040414 is a deficient number, since it is larger than the sum of its proper divisors (18252466).

31040414 is a wasteful number, since it uses less digits than its factorization.

31040414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 31040414 is about 5571.3924650845. The cubic root of 31040414 is about 314.2745175271.

Adding to 31040414 its reverse (41404013), we get a palindrome (72444427).

The spelling of 31040414 in words is "thirty-one million, forty thousand, four hundred fourteen".