21401134310 has 32 divisors (see below), whose sum is σ = 41236819200. Its totient is φ = 7972443360.

The previous prime is 21401134289. The next prime is 21401134327. The reversal of 21401134310 is 1343110412.

It is a super-3 number, since 3×21401134310³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 943346 + ... + 965765.

It is an arithmetic number, because the mean of its divisors is an integer number (1288650600).

Almost surely, 2^21401134310 is an apocalyptic number.

21401134310 is a deficient number, since it is larger than the sum of its proper divisors (19835684890).

21401134310 is a wasteful number, since it uses less digits than its factorization.

21401134310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909196.

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

Adding to 21401134310 its reverse (1343110412), we get a palindrome (22744244722).

The spelling of 21401134310 in words is "twenty-one billion, four hundred one million, one hundred thirty-four thousand, three hundred ten".