345420210307 has 2 divisors, whose sum is σ = 345420210308. Its totient is φ = 345420210306.

The previous prime is 345420210277. The next prime is 345420210329. The reversal of 345420210307 is 703012024543.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345420210307 is a prime.

It is not a weakly prime, because it can be changed into another prime (345420210337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172710105153 + 172710105154.

It is an arithmetic number, because the mean of its divisors is an integer number (172710105154).

Almost surely, 2^345420210307 is an apocalyptic number.

345420210307 is a deficient number, since it is larger than the sum of its proper divisors (1).

345420210307 is an equidigital number, since it uses as much as digits as its factorization.

345420210307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 345420210307 in words is "three hundred forty-five billion, four hundred twenty million, two hundred ten thousand, three hundred seven".