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30310112201 = 129123478011
BaseRepresentation
bin11100001110100111…
…111001101111001001
32220020100211020100012
4130032213321233021
5444033342042301
621531350521305
72122053463025
oct341647715711
986210736305
1030310112201
11119442a4a06
125a5a966235
132b206c3845
1416776d1385
15bc5e83ebb
hex70e9f9bc9

30310112201 has 4 divisors (see below), whose sum is σ = 30333591504. Its totient is φ = 30286632900.

The previous prime is 30310112137. The next prime is 30310112263. The reversal of 30310112201 is 10221101303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10221101303 = 71460157329.

It is a cyclic number.

It is not a de Polignac number, because 30310112201 - 26 = 30310112137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30310102201) 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, 11737715 + ... + 11740296.

It is an arithmetic number, because the mean of its divisors is an integer number (7583397876).

Almost surely, 230310112201 is an apocalyptic number.

It is an amenable number.

30310112201 is a deficient number, since it is larger than the sum of its proper divisors (23479303).

30310112201 is a wasteful number, since it uses less digits than its factorization.

30310112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23479302.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30310112201 its reverse (10221101303), we get a palindrome (40531213504).

The spelling of 30310112201 in words is "thirty billion, three hundred ten million, one hundred twelve thousand, two hundred one".

Divisors: 1 1291 23478011 30310112201