351013321 has 4 divisors (see below), whose sum is σ = 353692944. Its totient is φ = 348333700.

The previous prime is 351013307. The next prime is 351013357. The reversal of 351013321 is 123310153.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123310153 = 23 ⋅5361311.

It is a cyclic number.

It is not a de Polignac number, because 351013321 - 2¹³ = 351005129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351013921) 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, 1339615 + ... + 1339876.

It is an arithmetic number, because the mean of its divisors is an integer number (88423236).

Almost surely, 2^351013321 is an apocalyptic number.

It is an amenable number.

351013321 is a deficient number, since it is larger than the sum of its proper divisors (2679623).

351013321 is a wasteful number, since it uses less digits than its factorization.

351013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679622.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 351013321 is about 18735.3495030117. The cubic root of 351013321 is about 705.4093298869.

Adding to 351013321 its reverse (123310153), we get a palindrome (474323474).

The spelling of 351013321 in words is "three hundred fifty-one million, thirteen thousand, three hundred twenty-one".