345971011 has 2 divisors, whose sum is σ = 345971012. Its totient is φ = 345971010.

The previous prime is 345970973. The next prime is 345971023. The reversal of 345971011 is 110179543.

It is a strong prime.

It is an emirp because it is prime and its reverse (110179543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345971011 - 2¹¹ = 345968963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (345971111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172985505 + 172985506.

It is an arithmetic number, because the mean of its divisors is an integer number (172985506).

Almost surely, 2^345971011 is an apocalyptic number.

345971011 is a deficient number, since it is larger than the sum of its proper divisors (1).

345971011 is an equidigital number, since it uses as much as digits as its factorization.

345971011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 345971011 is about 18600.2959922685. The cubic root of 345971011 is about 702.0152883687.

The spelling of 345971011 in words is "three hundred forty-five million, nine hundred seventy-one thousand, eleven".