7040031 has 4 divisors (see below), whose sum is σ = 9386712. Its totient is φ = 4693352.

The previous prime is 7040021. The next prime is 7040041. The reversal of 7040031 is 1300407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1300407 = 3 ⋅433469.

It is an interprime number because it is at equal distance from previous prime (7040021) and next prime (7040041).

It is a cyclic number.

It is not a de Polignac number, because 7040031 - 2¹³ = 7031839 is a prime.

It is a super-2 number, since 2×7040031² = 99124072961922, which contains 22 as substring.

It is a D-number.

7040031 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7040021) 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, 1173336 + ... + 1173341.

It is an arithmetic number, because the mean of its divisors is an integer number (2346678).

Almost surely, 2^7040031 is an apocalyptic number.

7040031 is a deficient number, since it is larger than the sum of its proper divisors (2346681).

7040031 is a wasteful number, since it uses less digits than its factorization.

7040031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346680.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 7040031 is about 2653.3056740602. The cubic root of 7040031 is about 191.6570755965.

Adding to 7040031 its reverse (1300407), we get a palindrome (8340438).

The spelling of 7040031 in words is "seven million, forty thousand, thirty-one".