340231033 has 2 divisors, whose sum is σ = 340231034. Its totient is φ = 340231032.

The previous prime is 340230941. The next prime is 340231037. The reversal of 340231033 is 330132043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339038569 + 1192464 = 18413^2 + 1092^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340231033 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340231033.

It is not a weakly prime, because it can be changed into another prime (340231037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170115516 + 170115517.

It is an arithmetic number, because the mean of its divisors is an integer number (170115517).

Almost surely, 2^340231033 is an apocalyptic number.

It is an amenable number.

340231033 is a deficient number, since it is larger than the sum of its proper divisors (1).

340231033 is an equidigital number, since it uses as much as digits as its factorization.

340231033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 340231033 is about 18445.3526125146. The cubic root of 340231033 is about 698.1112573506. Note that the first 3 decimals are identical.

Adding to 340231033 its reverse (330132043), we get a palindrome (670363076).

The spelling of 340231033 in words is "three hundred forty million, two hundred thirty-one thousand, thirty-three".