34140031 has 2 divisors, whose sum is σ = 34140032. Its totient is φ = 34140030.

The previous prime is 34140019. The next prime is 34140037. The reversal of 34140031 is 13004143.

It is a strong prime.

It is an emirp because it is prime and its reverse (13004143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34140031 - 2²³ = 25751423 is a prime.

It is a super-2 number, since 2×34140031² = 2331083433361922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 34139987 and 34140014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34140037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17070015 + 17070016.

It is an arithmetic number, because the mean of its divisors is an integer number (17070016).

Almost surely, 2^34140031 is an apocalyptic number.

34140031 is a deficient number, since it is larger than the sum of its proper divisors (1).

34140031 is an equidigital number, since it uses as much as digits as its factorization.

34140031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 34140031 is about 5842.9471159681. The cubic root of 34140031 is about 324.4053220021.

Adding to 34140031 its reverse (13004143), we get a palindrome (47144174).

The spelling of 34140031 in words is "thirty-four million, one hundred forty thousand, thirty-one".