351442103 has 4 divisors (see below), whose sum is σ = 352809840. Its totient is φ = 350074368.

The previous prime is 351442067. The next prime is 351442111. The reversal of 351442103 is 301244153.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 351442103 - 2⁸ = 351441847 is a prime.

It is a super-2 number, since 2×351442103² = 247023103522125218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351442123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683483 + ... + 683996.

It is an arithmetic number, because the mean of its divisors is an integer number (88202460).

Almost surely, 2^351442103 is an apocalyptic number.

351442103 is a deficient number, since it is larger than the sum of its proper divisors (1367737).

351442103 is a wasteful number, since it uses less digits than its factorization.

351442103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1367736.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 351442103 is about 18746.7891384098. The cubic root of 351442103 is about 705.6964450559.

Adding to 351442103 its reverse (301244153), we get a palindrome (652686256).

The spelling of 351442103 in words is "three hundred fifty-one million, four hundred forty-two thousand, one hundred three".