355020313 has 4 divisors (see below), whose sum is σ = 355075380. Its totient is φ = 354965248.

The previous prime is 355020311. The next prime is 355020319. The reversal of 355020313 is 313020553.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313020553 = 3037 ⋅103069.

It can be written as a sum of positive squares in 2 ways, for example, as 147573904 + 207446409 = 12148^2 + 14403^2 .

It is a cyclic number.

It is not a de Polignac number, because 355020313 - 2¹ = 355020311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355020311) 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 in 3 ways as a sum of consecutive naturals, for example, 16348 + ... + 31261.

It is an arithmetic number, because the mean of its divisors is an integer number (88768845).

Almost surely, 2^355020313 is an apocalyptic number.

It is an amenable number.

355020313 is a deficient number, since it is larger than the sum of its proper divisors (55067).

355020313 is an equidigital number, since it uses as much as digits as its factorization.

355020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55066.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 355020313 is about 18841.9827247559. The cubic root of 355020313 is about 708.0833800372.

Adding to 355020313 its reverse (313020553), we get a palindrome (668040866).

The spelling of 355020313 in words is "three hundred fifty-five million, twenty thousand, three hundred thirteen".