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30224131001 = 148120407921
BaseRepresentation
bin11100001001011111…
…111010001110111001
32220000101000221022022
4130021133322032321
5443344334143001
621515040004225
72116660606001
oct341137721671
986011027268
1030224131001
11118aa808a69
125a36000675
132b0894abac
14166a10d001
15bbd64d11b
hex7097fa3b9

30224131001 has 4 divisors (see below), whose sum is σ = 30244540404. Its totient is φ = 30203721600.

The previous prime is 30224130991. The next prime is 30224131009. The reversal of 30224131001 is 10013142203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10013142203 = 14653683351.

It can be written as a sum of positive squares in 2 ways, for example, as 23194985401 + 7029145600 = 152299^2 + 83840^2 .

It is a cyclic number.

It is not a de Polignac number, because 30224131001 - 234 = 13044261817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30224131009) 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, 10202480 + ... + 10205441.

It is an arithmetic number, because the mean of its divisors is an integer number (7561135101).

Almost surely, 230224131001 is an apocalyptic number.

It is an amenable number.

30224131001 is a deficient number, since it is larger than the sum of its proper divisors (20409403).

30224131001 is a wasteful number, since it uses less digits than its factorization.

30224131001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20409402.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30224131001 its reverse (10013142203), we get a palindrome (40237273204).

The spelling of 30224131001 in words is "thirty billion, two hundred twenty-four million, one hundred thirty-one thousand, one".

Divisors: 1 1481 20407921 30224131001