351115311023 has 2 divisors, whose sum is σ = 351115311024. Its totient is φ = 351115311022.

The previous prime is 351115311011. The next prime is 351115311073. The reversal of 351115311023 is 320113511153.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 351115311023 - 2¹⁰ = 351115309999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 351115310983 and 351115311001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351115311073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175557655511 + 175557655512.

It is an arithmetic number, because the mean of its divisors is an integer number (175557655512).

Almost surely, 2^351115311023 is an apocalyptic number.

351115311023 is a deficient number, since it is larger than the sum of its proper divisors (1).

351115311023 is an equidigital number, since it uses as much as digits as its factorization.

351115311023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 26.

Adding to 351115311023 its reverse (320113511153), we get a palindrome (671228822176).

The spelling of 351115311023 in words is "three hundred fifty-one billion, one hundred fifteen million, three hundred eleven thousand, twenty-three".