21131414134330 has 16 divisors (see below), whose sum is σ = 38040242443560. Its totient is φ = 8451744097792.

The previous prime is 21131414134249. The next prime is 21131414134351. The reversal of 21131414134330 is 3343141413112.

It can be written as a sum of positive squares in 4 ways, for example, as 20314590423241 + 816823711089 = 4507171^2 + 903783^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21131414134292 and 21131414134301.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 102586459 + ... + 102792238.

Almost surely, 2^{21131414134330} is an apocalyptic number.

21131414134330 is a deficient number, since it is larger than the sum of its proper divisors (16908828309230).

21131414134330 is a wasteful number, since it uses less digits than its factorization.

21131414134330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205388993.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 21131414134330 its reverse (3343141413112), we get a palindrome (24474555547442).

The spelling of 21131414134330 in words is "twenty-one trillion, one hundred thirty-one billion, four hundred fourteen million, one hundred thirty-four thousand, three hundred thirty".