340995331 has 2 divisors, whose sum is σ = 340995332. Its totient is φ = 340995330.

The previous prime is 340995301. The next prime is 340995341. The reversal of 340995331 is 133599043.

It is a strong prime.

It is an emirp because it is prime and its reverse (133599043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340995331 - 2¹⁵ = 340962563 is a prime.

It is a super-2 number, since 2×340995331² = 232555631527599122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340995301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170497665 + 170497666.

It is an arithmetic number, because the mean of its divisors is an integer number (170497666).

Almost surely, 2^340995331 is an apocalyptic number.

340995331 is a deficient number, since it is larger than the sum of its proper divisors (1).

340995331 is an equidigital number, since it uses as much as digits as its factorization.

340995331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 340995331 is about 18466.0588919239. The cubic root of 340995331 is about 698.6336141698.

The spelling of 340995331 in words is "three hundred forty million, nine hundred ninety-five thousand, three hundred thirty-one".