30313378100 has 36 divisors (see below), whose sum is σ = 68048313900. Its totient is φ = 11707234560.

The previous prime is 30313378063. The next prime is 30313378111. The reversal of 30313378100 is 187331303.

It can be written as a sum of positive squares in 6 ways, for example, as 2441743396 + 27871634704 = 49414^2 + 166948^2 .

It is a super-2 number, since 2×30313378100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5223545 + ... + 5229344.

Almost surely, 2^30313378100 is an apocalyptic number.

It is an amenable number.

30313378100 is an abundant number, since it is smaller than the sum of its proper divisors (37734935800).

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

30313378100 is a wasteful number, since it uses less digits than its factorization.

30313378100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10452932 (or 10452925 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The spelling of 30313378100 in words is "thirty billion, three hundred thirteen million, three hundred seventy-eight thousand, one hundred".