21301031300 has 36 divisors (see below), whose sum is σ = 46680915876. Its totient is φ = 8436048000.

The previous prime is 21301031299. The next prime is 21301031321. The reversal of 21301031300 is 313010312.

It can be written as a sum of positive squares in 6 ways, for example, as 2147024896 + 19154006404 = 46336^2 + 138398^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1044407 + ... + 1064606.

Almost surely, 2^21301031300 is an apocalyptic number.

21301031300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21301031300 is an abundant number, since it is smaller than the sum of its proper divisors (25379884576).

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

21301031300 is a wasteful number, since it uses less digits than its factorization.

21301031300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109128 (or 2109121 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 21301031300 its reverse (313010312), we get a palindrome (21614041612).

The spelling of 21301031300 in words is "twenty-one billion, three hundred one million, thirty-one thousand, three hundred".