34121323513 has 4 divisors (see below), whose sum is σ = 34124168848. Its totient is φ = 34118478180.

The previous prime is 34121323507. The next prime is 34121323517. The reversal of 34121323513 is 31532312143.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31532312143 = 1459 ⋅21612277.

It is a cyclic number.

It is not a de Polignac number, because 34121323513 - 2⁹ = 34121323001 is a prime.

It is a super-2 number, since 2×34121323513² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34121323517) 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, 1404603 + ... + 1428688.

It is an arithmetic number, because the mean of its divisors is an integer number (8531042212).

Almost surely, 2^34121323513 is an apocalyptic number.

It is an amenable number.

34121323513 is a deficient number, since it is larger than the sum of its proper divisors (2845335).

34121323513 is a wasteful number, since it uses less digits than its factorization.

34121323513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845334.

The product of its digits is 6480, while the sum is 28.

Adding to 34121323513 its reverse (31532312143), we get a palindrome (65653635656).

The spelling of 34121323513 in words is "thirty-four billion, one hundred twenty-one million, three hundred twenty-three thousand, five hundred thirteen".