21233021531034 has 16 divisors (see below), whose sum is σ = 42487097148288. Its totient is φ = 7074164829312.

The previous prime is 21233021531023. The next prime is 21233021531053. The reversal of 21233021531034 is 43013512033212.

It is a junction number, because it is equal to n+sod(n) for n = 21233021530992 and 21233021531010.

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, 877240482 + ... + 877264685.

It is an arithmetic number, because the mean of its divisors is an integer number (2655443571768).

Almost surely, 2^{21233021531034} is an apocalyptic number.

21233021531034 is an abundant number, since it is smaller than the sum of its proper divisors (21254075617254).

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

21233021531034 is a wasteful number, since it uses less digits than its factorization.

21233021531034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754507189.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 21233021531034 its reverse (43013512033212), we get a palindrome (64246533564246).

The spelling of 21233021531034 in words is "twenty-one trillion, two hundred thirty-three billion, twenty-one million, five hundred thirty-one thousand, thirty-four".