30748688205 has 96 divisors (see below), whose sum is σ = 54045871488. Its totient is φ = 14915174400.

The previous prime is 30748688167. The next prime is 30748688249. The reversal of 30748688205 is 50288684703.

It is a happy number.

It is not a de Polignac number, because 30748688205 - 2⁶ = 30748688141 is a prime.

It is a super-2 number, since 2×30748688205² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20083290 + ... + 20084820.

It is an arithmetic number, because the mean of its divisors is an integer number (562977828).

Almost surely, 2^30748688205 is an apocalyptic number.

It is an amenable number.

30748688205 is a deficient number, since it is larger than the sum of its proper divisors (23297183283).

30748688205 is a wasteful number, since it uses less digits than its factorization.

30748688205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727 (or 1710 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 30748688205 in words is "thirty billion, seven hundred forty-eight million, six hundred eighty-eight thousand, two hundred five".