340867531 has 2 divisors, whose sum is σ = 340867532. Its totient is φ = 340867530.

The previous prime is 340867489. The next prime is 340867591. The reversal of 340867531 is 135768043.

It is a weak prime.

It is an emirp because it is prime and its reverse (135768043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340867531 - 2⁷ = 340867403 is a prime.

It is a super-2 number, since 2×340867531² = 232381347380071922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (340867591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170433765 + 170433766.

It is an arithmetic number, because the mean of its divisors is an integer number (170433766).

Almost surely, 2^340867531 is an apocalyptic number.

340867531 is a deficient number, since it is larger than the sum of its proper divisors (1).

340867531 is an equidigital number, since it uses as much as digits as its factorization.

340867531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 340867531 is about 18462.5981649388. The cubic root of 340867531 is about 698.5463240865.

The spelling of 340867531 in words is "three hundred forty million, eight hundred sixty-seven thousand, five hundred thirty-one".