345201431 has 2 divisors, whose sum is σ = 345201432. Its totient is φ = 345201430.

The previous prime is 345201421. The next prime is 345201449. The reversal of 345201431 is 134102543.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 345201431 - 2¹⁴ = 345185047 is a prime.

It is a super-2 number, since 2×345201431² = 238328055928895522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 345201397 and 345201406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345201401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172600715 + 172600716.

It is an arithmetic number, because the mean of its divisors is an integer number (172600716).

Almost surely, 2^345201431 is an apocalyptic number.

345201431 is a deficient number, since it is larger than the sum of its proper divisors (1).

345201431 is an equidigital number, since it uses as much as digits as its factorization.

345201431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 345201431 is about 18579.5971700142. The cubic root of 345201431 is about 701.4943795952.

Adding to 345201431 its reverse (134102543), we get a palindrome (479303974).

The spelling of 345201431 in words is "three hundred forty-five million, two hundred one thousand, four hundred thirty-one".