340522431 has 16 divisors (see below), whose sum is σ = 459544800. Its totient is φ = 224270208.

The previous prime is 340522421. The next prime is 340522447. The reversal of 340522431 is 134225043.

It is not a de Polignac number, because 340522431 - 2⁶ = 340522367 is a prime.

It is a super-2 number, since 2×340522431² = 231911052028299522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340522411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125865 + ... + 128541.

It is an arithmetic number, because the mean of its divisors is an integer number (28721550).

Almost surely, 2^340522431 is an apocalyptic number.

340522431 is a deficient number, since it is larger than the sum of its proper divisors (119022369).

340522431 is a wasteful number, since it uses less digits than its factorization.

340522431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 340522431 is about 18453.2498763768. The cubic root of 340522431 is about 698.3105044849.

Adding to 340522431 its reverse (134225043), we get a palindrome (474747474).

The spelling of 340522431 in words is "three hundred forty million, five hundred twenty-two thousand, four hundred thirty-one".