351123242011 has 4 divisors (see below), whose sum is σ = 351397772800. Its totient is φ = 350848711224.

The previous prime is 351123241979. The next prime is 351123242053. The reversal of 351123242011 is 110242321153.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110242321153 = 1709 ⋅64506917.

It is a cyclic number.

It is not a de Polignac number, because 351123242011 - 2⁵ = 351123241979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351123242111) 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, 137263476 + ... + 137266033.

It is an arithmetic number, because the mean of its divisors is an integer number (87849443200).

Almost surely, 2^351123242011 is an apocalyptic number.

351123242011 is a deficient number, since it is larger than the sum of its proper divisors (274530789).

351123242011 is a wasteful number, since it uses less digits than its factorization.

351123242011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274530788.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 351123242011 its reverse (110242321153), we get a palindrome (461365563164).

The spelling of 351123242011 in words is "three hundred fifty-one billion, one hundred twenty-three million, two hundred forty-two thousand, eleven".