351242405311 has 4 divisors (see below), whose sum is σ = 401419891792. Its totient is φ = 301064918832.

The previous prime is 351242405309. The next prime is 351242405329. The reversal of 351242405311 is 113504242153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113504242153 = 1229 ⋅92354957.

It is a cyclic number.

It is not a de Polignac number, because 351242405311 - 2¹ = 351242405309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351242405341) 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, 25088743230 + ... + 25088743243.

It is an arithmetic number, because the mean of its divisors is an integer number (100354972948).

Almost surely, 2^351242405311 is an apocalyptic number.

351242405311 is a deficient number, since it is larger than the sum of its proper divisors (50177486481).

351242405311 is an equidigital number, since it uses as much as digits as its factorization.

351242405311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50177486480.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 351242405311 its reverse (113504242153), we get a palindrome (464746647464).

The spelling of 351242405311 in words is "three hundred fifty-one billion, two hundred forty-two million, four hundred five thousand, three hundred eleven".