34311320121 has 16 divisors (see below), whose sum is σ = 51409604736. Its totient is φ = 20196629376.

The previous prime is 34311320119. The next prime is 34311320123. The reversal of 34311320121 is 12102311343.

It is an interprime number because it is at equal distance from previous prime (34311320119) and next prime (34311320123).

It is not a de Polignac number, because 34311320121 - 2¹ = 34311320119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34311320123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19124700 + ... + 19126493.

It is an arithmetic number, because the mean of its divisors is an integer number (3213100296).

Almost surely, 2^34311320121 is an apocalyptic number.

It is an amenable number.

34311320121 is a deficient number, since it is larger than the sum of its proper divisors (17098284615).

34311320121 is a wasteful number, since it uses less digits than its factorization.

34311320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38251232.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 34311320121 its reverse (12102311343), we get a palindrome (46413631464).

The spelling of 34311320121 in words is "thirty-four billion, three hundred eleven million, three hundred twenty thousand, one hundred twenty-one".