34013520121 has 4 divisors (see below), whose sum is σ = 38872594432. Its totient is φ = 29154445812.

The previous prime is 34013520113. The next prime is 34013520221. The reversal of 34013520121 is 12102531043.

It is a happy number.

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: 12102531043 = 1423 ⋅8504941.

It is a cyclic number.

It is not a de Polignac number, because 34013520121 - 2³ = 34013520113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34013520092 and 34013520101.

It is not an unprimeable number, because it can be changed into a prime (34013520221) 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, 2429537145 + ... + 2429537158.

It is an arithmetic number, because the mean of its divisors is an integer number (9718148608).

Almost surely, 2^34013520121 is an apocalyptic number.

It is an amenable number.

34013520121 is a deficient number, since it is larger than the sum of its proper divisors (4859074311).

34013520121 is an equidigital number, since it uses as much as digits as its factorization.

34013520121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4859074310.

The product of its (nonzero) digits is 720, while the sum is 22.

The spelling of 34013520121 in words is "thirty-four billion, thirteen million, five hundred twenty thousand, one hundred twenty-one".