351231311311 has 2 divisors, whose sum is σ = 351231311312. Its totient is φ = 351231311310.

The previous prime is 351231311279. The next prime is 351231311351. The reversal of 351231311311 is 113113132153.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 351231311311 - 2⁵ = 351231311279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351231311351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175615655655 + 175615655656.

It is an arithmetic number, because the mean of its divisors is an integer number (175615655656).

Almost surely, 2^351231311311 is an apocalyptic number.

351231311311 is a deficient number, since it is larger than the sum of its proper divisors (1).

351231311311 is an equidigital number, since it uses as much as digits as its factorization.

351231311311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 25.

Adding to 351231311311 its reverse (113113132153), we get a palindrome (464344443464).

The spelling of 351231311311 in words is "three hundred fifty-one billion, two hundred thirty-one million, three hundred eleven thousand, three hundred eleven".