353220313 has 2 divisors, whose sum is σ = 353220314. Its totient is φ = 353220312.

The previous prime is 353220299. The next prime is 353220323. The reversal of 353220313 is 313022353.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 231404944 + 121815369 = 15212^2 + 11037^2 .

It is a cyclic number.

It is not a de Polignac number, because 353220313 - 2⁵ = 353220281 is a prime.

It is not a weakly prime, because it can be changed into another prime (353220323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176610156 + 176610157.

It is an arithmetic number, because the mean of its divisors is an integer number (176610157).

Almost surely, 2^353220313 is an apocalyptic number.

It is an amenable number.

353220313 is a deficient number, since it is larger than the sum of its proper divisors (1).

353220313 is an equidigital number, since it uses as much as digits as its factorization.

353220313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 353220313 is about 18794.1563524410. The cubic root of 353220313 is about 706.8846596906.

Adding to 353220313 its reverse (313022353), we get a palindrome (666242666).

The spelling of 353220313 in words is "three hundred fifty-three million, two hundred twenty thousand, three hundred thirteen".