351103206431023 has 4 divisors (see below), whose sum is σ = 351895764459528. Its totient is φ = 350310648402520.

The previous prime is 351103206431017. The next prime is 351103206431053. The reversal of 351103206431023 is 320134602301153.

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 351103206431023 - 2⁹ = 351103206430511 is a prime.

It is a super-2 number, since 2×351103206431023² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 351103206431023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351103206431053) 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, 396279013588 + ... + 396279014473.

It is an arithmetic number, because the mean of its divisors is an integer number (87973941114882).

Almost surely, 2^{351103206431023} is an apocalyptic number.

351103206431023 is a deficient number, since it is larger than the sum of its proper divisors (792558028505).

351103206431023 is an equidigital number, since it uses as much as digits as its factorization.

351103206431023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792558028504.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 351103206431023 its reverse (320134602301153), we get a palindrome (671237808732176).

The spelling of 351103206431023 in words is "three hundred fifty-one trillion, one hundred three billion, two hundred six million, four hundred thirty-one thousand, twenty-three".