34312642021 has 4 divisors (see below), whose sum is σ = 39214448032. Its totient is φ = 29410836012.

The previous prime is 34312641991. The next prime is 34312642027. The reversal of 34312642021 is 12024621343.

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.

It is a cyclic number.

It is not a de Polignac number, because 34312642021 - 2¹¹ = 34312639973 is a prime.

It is a super-2 number, since 2×34312642021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34312642027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2450902995 + ... + 2450903008.

It is an arithmetic number, because the mean of its divisors is an integer number (9803612008).

Almost surely, 2^34312642021 is an apocalyptic number.

It is an amenable number.

34312642021 is a deficient number, since it is larger than the sum of its proper divisors (4901806011).

34312642021 is an equidigital number, since it uses as much as digits as its factorization.

34312642021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4901806010.

The product of its (nonzero) digits is 6912, while the sum is 28.

The spelling of 34312642021 in words is "thirty-four billion, three hundred twelve million, six hundred forty-two thousand, twenty-one".