30312050201155 has 8 divisors (see below), whose sum is σ = 37547829926784. Its totient is φ = 23467393704000.

The previous prime is 30312050201071. The next prime is 30312050201159. The reversal of 30312050201155 is 55110205021303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30312050201155 - 2¹⁷ = 30312050070083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30312050201159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97780806946 + ... + 97780807255.

It is an arithmetic number, because the mean of its divisors is an integer number (4693478740848).

Almost surely, 2^{30312050201155} is an apocalyptic number.

30312050201155 is a deficient number, since it is larger than the sum of its proper divisors (7235779725629).

30312050201155 is a wasteful number, since it uses less digits than its factorization.

30312050201155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195561614237.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 30312050201155 its reverse (55110205021303), we get a palindrome (85422255222458).

The spelling of 30312050201155 in words is "thirty trillion, three hundred twelve billion, fifty million, two hundred one thousand, one hundred fifty-five".