21031010303214 has 16 divisors (see below), whose sum is σ = 42063299987328. Its totient is φ = 7010123537592.

The previous prime is 21031010303111. The next prime is 21031010303257. The reversal of 21031010303214 is 41230301013012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53093772 + ... + 53488415.

It is an arithmetic number, because the mean of its divisors is an integer number (2628956249208).

Almost surely, 2^{21031010303214} is an apocalyptic number.

21031010303214 is an abundant number, since it is smaller than the sum of its proper divisors (21032289684114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21031010303214 is a wasteful number, since it uses less digits than its factorization.

21031010303214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106615079.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21031010303214 its reverse (41230301013012), we get a palindrome (62261311316226).

The spelling of 21031010303214 in words is "twenty-one trillion, thirty-one billion, ten million, three hundred three thousand, two hundred fourteen".