355311109 has 2 divisors, whose sum is σ = 355311110. Its totient is φ = 355311108.

The previous prime is 355311079. The next prime is 355311113. The reversal of 355311109 is 901113553.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179828100 + 175483009 = 13410^2 + 13247^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-355311109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355311139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177655554 + 177655555.

It is an arithmetic number, because the mean of its divisors is an integer number (177655555).

Almost surely, 2^355311109 is an apocalyptic number.

It is an amenable number.

355311109 is a deficient number, since it is larger than the sum of its proper divisors (1).

355311109 is an equidigital number, since it uses as much as digits as its factorization.

355311109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2025, while the sum is 28.

The square root of 355311109 is about 18849.6978490373. The cubic root of 355311109 is about 708.2766568847.

The spelling of 355311109 in words is "three hundred fifty-five million, three hundred eleven thousand, one hundred nine".