30131020100 has 36 divisors (see below), whose sum is σ = 66280005204. Its totient is φ = 11887303680.

The previous prime is 30131020067. The next prime is 30131020123. The reversal of 30131020100 is 102013103.

It can be written as a sum of positive squares in 6 ways, for example, as 1171829824 + 28959190276 = 34232^2 + 170174^2 .

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, 2056469 + ... + 2071068.

Almost surely, 2^30131020100 is an apocalyptic number.

It is an amenable number.

30131020100 is an abundant number, since it is smaller than the sum of its proper divisors (36148985104).

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

30131020100 is a wasteful number, since it uses less digits than its factorization.

30131020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127624 (or 4127617 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 30131020100 its reverse (102013103), we get a palindrome (30233033203).

The spelling of 30131020100 in words is "thirty billion, one hundred thirty-one million, twenty thousand, one hundred".