340263331 has 2 divisors, whose sum is σ = 340263332. Its totient is φ = 340263330.

The previous prime is 340263299. The next prime is 340263373. The reversal of 340263331 is 133362043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340263331 - 2⁵ = 340263299 is a prime.

It is a super-2 number, since 2×340263331² = 231558268846431122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340263296 and 340263305.

It is not a weakly prime, because it can be changed into another prime (340266331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170131665 + 170131666.

It is an arithmetic number, because the mean of its divisors is an integer number (170131666).

Almost surely, 2^340263331 is an apocalyptic number.

340263331 is a deficient number, since it is larger than the sum of its proper divisors (1).

340263331 is an equidigital number, since it uses as much as digits as its factorization.

340263331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 340263331 is about 18446.2280968224. The cubic root of 340263331 is about 698.1333471286.

The spelling of 340263331 in words is "three hundred forty million, two hundred sixty-three thousand, three hundred thirty-one".