21233210231030 has 32 divisors (see below), whose sum is σ = 44420081460480. Its totient is φ = 7156568676960.

The previous prime is 21233210231017. The next prime is 21233210231111. The reversal of 21233210231030 is 3013201233212.

It is a junction number, because it is equal to n+sod(n) for n = 21233210230987 and 21233210231005.

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, 2570602436 + ... + 2570610695.

It is an arithmetic number, because the mean of its divisors is an integer number (1388127545640).

Almost surely, 2^{21233210231030} is an apocalyptic number.

21233210231030 is an abundant number, since it is smaller than the sum of its proper divisors (23186871229450).

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

21233210231030 is a wasteful number, since it uses less digits than its factorization.

21233210231030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5141213204.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21233210231030 its reverse (3013201233212), we get a palindrome (24246411464242).

The spelling of 21233210231030 in words is "twenty-one trillion, two hundred thirty-three billion, two hundred ten million, two hundred thirty-one thousand, thirty".