30100311123 has 4 divisors (see below), whose sum is σ = 40133748168. Its totient is φ = 20066874080.

The previous prime is 30100311083. The next prime is 30100311161. The reversal of 30100311123 is 32111300103.

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

It is a cyclic number.

It is not a de Polignac number, because 30100311123 - 2²² = 30096116819 is a prime.

It is a super-2 number, since 2×30100311123² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30100301123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5016718518 + ... + 5016718523.

It is an arithmetic number, because the mean of its divisors is an integer number (10033437042).

Almost surely, 2^30100311123 is an apocalyptic number.

30100311123 is a deficient number, since it is larger than the sum of its proper divisors (10033437045).

30100311123 is a wasteful number, since it uses less digits than its factorization.

30100311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10033437044.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30100311123 its reverse (32111300103), we get a palindrome (62211611226).

The spelling of 30100311123 in words is "thirty billion, one hundred million, three hundred eleven thousand, one hundred twenty-three".