340424131 has 2 divisors, whose sum is σ = 340424132. Its totient is φ = 340424130.

The previous prime is 340424129. The next prime is 340424153. The reversal of 340424131 is 131424043.

It is an a-pointer prime, because the next prime (340424153) can be obtained adding 340424131 to its sum of digits (22).

It is a weak prime.

It is an emirp because it is prime and its reverse (131424043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340424131 - 2¹ = 340424129 is a prime.

It is a super-2 number, since 2×340424131² = 231777177934210322, which contains 22 as substring.

Together with 340424129, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (340424111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170212065 + 170212066.

It is an arithmetic number, because the mean of its divisors is an integer number (170212066).

Almost surely, 2^340424131 is an apocalyptic number.

340424131 is a deficient number, since it is larger than the sum of its proper divisors (1).

340424131 is an equidigital number, since it uses as much as digits as its factorization.

340424131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 340424131 is about 18450.5861966497. The cubic root of 340424131 is about 698.2433033036.

Adding to 340424131 its reverse (131424043), we get a palindrome (471848174).

The spelling of 340424131 in words is "three hundred forty million, four hundred twenty-four thousand, one hundred thirty-one".