21010031130134 has 8 divisors (see below), whose sum is σ = 31515856904880. Its totient is φ = 10504745495176.

The previous prime is 21010031130131. The next prime is 21010031130199. The reversal of 21010031130134 is 43103113001012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21010031130131) 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, 134937689 + ... + 135093300.

It is an arithmetic number, because the mean of its divisors is an integer number (3939482113110).

Almost surely, 2^{21010031130134} is an apocalyptic number.

21010031130134 is a deficient number, since it is larger than the sum of its proper divisors (10505825774746).

21010031130134 is a wasteful number, since it uses less digits than its factorization.

21010031130134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270069894.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21010031130134 its reverse (43103113001012), we get a palindrome (64113144131146).

The spelling of 21010031130134 in words is "twenty-one trillion, ten billion, thirty-one million, one hundred thirty thousand, one hundred thirty-four".