21031034114 has 4 divisors (see below), whose sum is σ = 31546551174. Its totient is φ = 10515517056.

The previous prime is 21031034113. The next prime is 21031034149. The reversal of 21031034114 is 41143013012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20459011225 + 572022889 = 143035^2 + 23917^2 .

It is not an unprimeable number, because it can be changed into a prime (21031034113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5257758527 + ... + 5257758530.

Almost surely, 2^21031034114 is an apocalyptic number.

21031034114 is a deficient number, since it is larger than the sum of its proper divisors (10515517060).

21031034114 is a wasteful number, since it uses less digits than its factorization.

21031034114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10515517059.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21031034114 its reverse (41143013012), we get a palindrome (62174047126).

The spelling of 21031034114 in words is "twenty-one billion, thirty-one million, thirty-four thousand, one hundred fourteen".