351442303 has 2 divisors, whose sum is σ = 351442304. Its totient is φ = 351442302.

The previous prime is 351442279. The next prime is 351442331. The reversal of 351442303 is 303244153.

It is a weak prime.

It is an emirp because it is prime and its reverse (303244153) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 351442303 - 2¹⁷ = 351311231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351442363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175721151 + 175721152.

It is an arithmetic number, because the mean of its divisors is an integer number (175721152).

Almost surely, 2^351442303 is an apocalyptic number.

351442303 is a deficient number, since it is larger than the sum of its proper divisors (1).

351442303 is an equidigital number, since it uses as much as digits as its factorization.

351442303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 351442303 is about 18746.7944726559. The cubic root of 351442303 is about 705.6965789226.

Adding to 351442303 its reverse (303244153), we get a palindrome (654686456).

The spelling of 351442303 in words is "three hundred fifty-one million, four hundred forty-two thousand, three hundred three".