21030200313 has 8 divisors (see below), whose sum is σ = 28166009088. Its totient is φ = 13957262544.

The previous prime is 21030200311. The next prime is 21030200339. The reversal of 21030200313 is 31300203012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21030200313 - 2¹ = 21030200311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21030200292 and 21030200301.

It is not an unprimeable number, because it can be changed into a prime (21030200311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15716970 + ... + 15718307.

It is an arithmetic number, because the mean of its divisors is an integer number (3520751136).

Almost surely, 2^21030200313 is an apocalyptic number.

It is an amenable number.

21030200313 is a deficient number, since it is larger than the sum of its proper divisors (7135808775).

21030200313 is a wasteful number, since it uses less digits than its factorization.

21030200313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31435503.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 21030200313 its reverse (31300203012), we get a palindrome (52330403325).

The spelling of 21030200313 in words is "twenty-one billion, thirty million, two hundred thousand, three hundred thirteen".