345531107 has 2 divisors, whose sum is σ = 345531108. Its totient is φ = 345531106.

The previous prime is 345531097. The next prime is 345531157. The reversal of 345531107 is 701135543.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345531107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345531107.

It is not a weakly prime, because it can be changed into another prime (345531157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172765553 + 172765554.

It is an arithmetic number, because the mean of its divisors is an integer number (172765554).

Almost surely, 2^345531107 is an apocalyptic number.

345531107 is a deficient number, since it is larger than the sum of its proper divisors (1).

345531107 is an equidigital number, since it uses as much as digits as its factorization.

345531107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 345531107 is about 18588.4670427661. The cubic root of 345531107 is about 701.7176234347.

The spelling of 345531107 in words is "three hundred forty-five million, five hundred thirty-one thousand, one hundred seven".