21133031979230 has 32 divisors (see below), whose sum is σ = 40282287728256. Its totient is φ = 7954934854144.

The previous prime is 21133031979229. The next prime is 21133031979263. The reversal of 21133031979230 is 3297913033112.

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, 6730409 + ... + 9357588.

It is an arithmetic number, because the mean of its divisors is an integer number (1258821491508).

Almost surely, 2^{21133031979230} is an apocalyptic number.

21133031979230 is a deficient number, since it is larger than the sum of its proper divisors (19149255749026).

21133031979230 is a wasteful number, since it uses less digits than its factorization.

21133031979230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16095748.

The product of its (nonzero) digits is 183708, while the sum is 44.

The spelling of 21133031979230 in words is "twenty-one trillion, one hundred thirty-three billion, thirty-one million, nine hundred seventy-nine thousand, two hundred thirty".