2021312134 has 8 divisors (see below), whose sum is σ = 3058800120. Its totient is φ = 1001712096.

The previous prime is 2021312107. The next prime is 2021312149. The reversal of 2021312134 is 4312131202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4471704 + ... + 4472155.

It is an arithmetic number, because the mean of its divisors is an integer number (382350015).

Almost surely, 2^2021312134 is an apocalyptic number.

2021312134 is a deficient number, since it is larger than the sum of its proper divisors (1037487986).

2021312134 is a wasteful number, since it uses less digits than its factorization.

2021312134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8943974.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2021312134 is about 44959.0050379232. The cubic root of 2021312134 is about 1264.3805147945.

Adding to 2021312134 its reverse (4312131202), we get a palindrome (6333443336).

The spelling of 2021312134 in words is "two billion, twenty-one million, three hundred twelve thousand, one hundred thirty-four".