Search a number
-
+
30313101301 = 74330443043
BaseRepresentation
bin11100001110110011…
…010011011111110101
32220020120110002121121
4130032303103133311
5444040123220201
621531534543541
72122121052430
oct341663233765
986216402547
1030313101301
1111945a5673a
125a5b967bb1
132b211cc242
141677c6c817
15bc63749a1
hex70ecd37f5

30313101301 has 4 divisors (see below), whose sum is σ = 34643544352. Its totient is φ = 25982658252.

The previous prime is 30313101289. The next prime is 30313101311. The reversal of 30313101301 is 10310131303.

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.

It is a cyclic number.

It is not a de Polignac number, because 30313101301 - 211 = 30313099253 is a prime.

It is a super-2 number, since 2×303131013012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313101311) 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, 2165221515 + ... + 2165221528.

It is an arithmetic number, because the mean of its divisors is an integer number (8660886088).

Almost surely, 230313101301 is an apocalyptic number.

It is an amenable number.

30313101301 is a deficient number, since it is larger than the sum of its proper divisors (4330443051).

30313101301 is an equidigital number, since it uses as much as digits as its factorization.

30313101301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4330443050.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 30313101301 its reverse (10310131303), we get a palindrome (40623232604).

The spelling of 30313101301 in words is "thirty billion, three hundred thirteen million, one hundred one thousand, three hundred one".

Divisors: 1 7 4330443043 30313101301