340267231 has 4 divisors (see below), whose sum is σ = 340325752. Its totient is φ = 340208712.

The previous prime is 340267217. The next prime is 340267243. The reversal of 340267231 is 132762043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340267231 - 2²³ = 331878623 is a prime.

It is a super-2 number, since 2×340267231² = 231563576984814722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340267231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340267201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19440 + ... + 32533.

It is an arithmetic number, because the mean of its divisors is an integer number (85081438).

Almost surely, 2^340267231 is an apocalyptic number.

340267231 is a deficient number, since it is larger than the sum of its proper divisors (58521).

340267231 is an equidigital number, since it uses as much as digits as its factorization.

340267231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58520.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 340267231 is about 18446.3338091882. Note that the first 3 decimals coincide. The cubic root of 340267231 is about 698.1360143859.

The spelling of 340267231 in words is "three hundred forty million, two hundred sixty-seven thousand, two hundred thirty-one".