30630406223513 has 4 divisors (see below), whose sum is σ = 30901471765428. Its totient is φ = 30359340681600.

The previous prime is 30630406223437. The next prime is 30630406223537. The reversal of 30630406223513 is 31532260403603.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16816339197529 + 13814067025984 = 4100773^2 + 3716728^2 .

It is a cyclic number.

It is not a de Polignac number, because 30630406223513 - 2⁸ = 30630406223257 is a prime.

It is a super-2 number, since 2×30630406223513² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30630406222513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135532770788 + ... + 135532771013.

It is an arithmetic number, because the mean of its divisors is an integer number (7725367941357).

Almost surely, 2^{30630406223513} is an apocalyptic number.

It is an amenable number.

30630406223513 is a deficient number, since it is larger than the sum of its proper divisors (271065541915).

30630406223513 is a wasteful number, since it uses less digits than its factorization.

30630406223513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271065541914.

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 30630406223513 in words is "thirty trillion, six hundred thirty billion, four hundred six million, two hundred twenty-three thousand, five hundred thirteen".