21032434302 has 16 divisors (see below), whose sum is σ = 45888947712. Its totient is φ = 6373464920.

The previous prime is 21032434271. The next prime is 21032434321. The reversal of 21032434302 is 20343423012.

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, 159336558 + ... + 159336689.

It is an arithmetic number, because the mean of its divisors is an integer number (2868059232).

Almost surely, 2^21032434302 is an apocalyptic number.

21032434302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21032434302 is an abundant number, since it is smaller than the sum of its proper divisors (24856513410).

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

21032434302 is a wasteful number, since it uses less digits than its factorization.

21032434302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318673263.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 21032434302 its reverse (20343423012), we get a palindrome (41375857314).

The spelling of 21032434302 in words is "twenty-one billion, thirty-two million, four hundred thirty-four thousand, three hundred two".