30909156100 has 27 divisors (see below), whose sum is σ = 67076684031. Its totient is φ = 12362959200.

The previous prime is 30909156079. The next prime is 30909156127. The reversal of 30909156100 is 165190903.

The square root of 30909156100 is 175810.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4654787076 + 26254369024 = 68226^2 + 162032^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1749310 + ... + 1766890.

Almost surely, 2^30909156100 is an apocalyptic number.

30909156100 is the 175810-th square number.

It is an amenable number.

30909156100 is an abundant number, since it is smaller than the sum of its proper divisors (36167527931).

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

30909156100 is an frugal number, since it uses more digits than its factorization.

30909156100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35176 (or 17588 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 34.

The spelling of 30909156100 in words is "thirty billion, nine hundred nine million, one hundred fifty-six thousand, one hundred".