340300531 has 2 divisors, whose sum is σ = 340300532. Its totient is φ = 340300530.

The previous prime is 340300511. The next prime is 340300537. The reversal of 340300531 is 135003043.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340300531 is a prime.

It is a super-2 number, since 2×340300531² = 231608902797763922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340300499 and 340300508.

It is not a weakly prime, because it can be changed into another prime (340300537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170150265 + 170150266.

It is an arithmetic number, because the mean of its divisors is an integer number (170150266).

Almost surely, 2^340300531 is an apocalyptic number.

340300531 is a deficient number, since it is larger than the sum of its proper divisors (1).

340300531 is an equidigital number, since it uses as much as digits as its factorization.

340300531 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 19.

The square root of 340300531 is about 18447.2364054890. The cubic root of 340300531 is about 698.1587878307.

Adding to 340300531 its reverse (135003043), we get a palindrome (475303574).

The spelling of 340300531 in words is "three hundred forty million, three hundred thousand, five hundred thirty-one".