7140031 has 2 divisors, whose sum is σ = 7140032. Its totient is φ = 7140030.

The previous prime is 7140011. The next prime is 7140041. The reversal of 7140031 is 1300417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7140031 - 2⁵ = 7139999 is a prime.

It is a super-2 number, since 2×7140031² = 101960085361922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7139987 and 7140014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7140011) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3570015 + 3570016.

It is an arithmetic number, because the mean of its divisors is an integer number (3570016).

Almost surely, 2^7140031 is an apocalyptic number.

7140031 is a deficient number, since it is larger than the sum of its proper divisors (1).

7140031 is an equidigital number, since it uses as much as digits as its factorization.

7140031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 7140031 is about 2672.0836439004. The cubic root of 7140031 is about 192.5602757216.

Adding to 7140031 its reverse (1300417), we get a palindrome (8440448).

The spelling of 7140031 in words is "seven million, one hundred forty thousand, thirty-one".