34145031433231 has 2 divisors, whose sum is σ = 34145031433232. Its totient is φ = 34145031433230.

The previous prime is 34145031433229. The next prime is 34145031433283. The reversal of 34145031433231 is 13233413054143.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34145031433231 - 2¹ = 34145031433229 is a prime.

It is a super-2 number, since 2×34145031433231² (a number of 28 digits) contains 22 as substring.

Together with 34145031433229, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34145031433031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17072515716615 + 17072515716616.

It is an arithmetic number, because the mean of its divisors is an integer number (17072515716616).

Almost surely, 2^{34145031433231} is an apocalyptic number.

34145031433231 is a deficient number, since it is larger than the sum of its proper divisors (1).

34145031433231 is an equidigital number, since it uses as much as digits as its factorization.

34145031433231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 34145031433231 its reverse (13233413054143), we get a palindrome (47378444487374).

The spelling of 34145031433231 in words is "thirty-four trillion, one hundred forty-five billion, thirty-one million, four hundred thirty-three thousand, two hundred thirty-one".