7140331 has 6 divisors (see below), whose sum is σ = 7848596. Its totient is φ = 6491100.

The previous prime is 7140317. The next prime is 7140347. The reversal of 7140331 is 1330417.

7140331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7140331 - 2⁵ = 7140299 is a prime.

It is a super-2 number, since 2×7140331² = 101968653579122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7140299 and 7140308.

It is not an unprimeable number, because it can be changed into a prime (7140311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29385 + ... + 29626.

Almost surely, 2^7140331 is an apocalyptic number.

7140331 is a deficient number, since it is larger than the sum of its proper divisors (708265).

7140331 is a wasteful number, since it uses less digits than its factorization.

7140331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59033 (or 59022 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 7140331 is about 2672.1397792780. The cubic root of 7140331 is about 192.5629725948.

Adding to 7140331 its reverse (1330417), we get a palindrome (8470748).

The spelling of 7140331 in words is "seven million, one hundred forty thousand, three hundred thirty-one".