345300431 has 4 divisors (see below), whose sum is σ = 394629072. Its totient is φ = 295971792.

The previous prime is 345300407. The next prime is 345300437. The reversal of 345300431 is 134003543.

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 345300431 - 2⁶ = 345300367 is a prime.

It is a super-2 number, since 2×345300431² = 238464775297571522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345300397 and 345300406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345300437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24664310 + ... + 24664323.

It is an arithmetic number, because the mean of its divisors is an integer number (98657268).

Almost surely, 2^345300431 is an apocalyptic number.

345300431 is a deficient number, since it is larger than the sum of its proper divisors (49328641).

345300431 is an equidigital number, since it uses as much as digits as its factorization.

345300431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49328640.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 345300431 is about 18582.2611917926. The cubic root of 345300431 is about 701.5614334942.

Adding to 345300431 its reverse (134003543), we get a palindrome (479303974).

The spelling of 345300431 in words is "three hundred forty-five million, three hundred thousand, four hundred thirty-one".