34311802021 has 16 divisors (see below), whose sum is σ = 39330121600. Its totient is φ = 29322736128.

The previous prime is 34311801967. The next prime is 34311802067. The reversal of 34311802021 is 12020811343.

It is a happy number.

It is not a de Polignac number, because 34311802021 - 2²⁹ = 33774931109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34311002021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6329050 + ... + 6334468.

It is an arithmetic number, because the mean of its divisors is an integer number (2458132600).

Almost surely, 2^34311802021 is an apocalyptic number.

It is an amenable number.

34311802021 is a deficient number, since it is larger than the sum of its proper divisors (5018319579).

34311802021 is a wasteful number, since it uses less digits than its factorization.

34311802021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7948.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 34311802021 in words is "thirty-four billion, three hundred eleven million, eight hundred two thousand, twenty-one".