34531031 has 2 divisors, whose sum is σ = 34531032. Its totient is φ = 34531030.

The previous prime is 34531019. The next prime is 34531033. The reversal of 34531031 is 13013543.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (13013543) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34531031 is a prime.

It is a super-2 number, since 2×34531031² = 2384784203845922, which contains 22 as substring.

Together with 34531033, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 34530994 and 34531012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34531033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17265515 + 17265516.

It is an arithmetic number, because the mean of its divisors is an integer number (17265516).

Almost surely, 2^34531031 is an apocalyptic number.

34531031 is a deficient number, since it is larger than the sum of its proper divisors (1).

34531031 is an equidigital number, since it uses as much as digits as its factorization.

34531031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 34531031 is about 5876.3110026614. The cubic root of 34531031 is about 325.6390770179.

Adding to 34531031 its reverse (13013543), we get a palindrome (47544574).

The spelling of 34531031 in words is "thirty-four million, five hundred thirty-one thousand, thirty-one".