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30223010141 = 31974935811
BaseRepresentation
bin11100001001011011…
…101000100101011101
32220000021220222202222
4130021123220211131
5443344042311031
621514555555125
72116645230122
oct341133504535
986007828688
1030223010141
11118aa112935
125a3575baa5
132b0864796c
141669cda749
15bbd4cae7b
hex7096e895d

30223010141 has 4 divisors (see below), whose sum is σ = 31197945984. Its totient is φ = 29248074300.

The previous prime is 30223010123. The next prime is 30223010219. The reversal of 30223010141 is 14101032203.

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: 14101032203 = 67481208963.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30223010141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223010341) 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, 487467875 + ... + 487467936.

It is an arithmetic number, because the mean of its divisors is an integer number (7799486496).

Almost surely, 230223010141 is an apocalyptic number.

30223010141 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30223010141 is a deficient number, since it is larger than the sum of its proper divisors (974935843).

30223010141 is an equidigital number, since it uses as much as digits as its factorization.

30223010141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974935842.

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

Adding to 30223010141 its reverse (14101032203), we get a palindrome (44324042344).

The spelling of 30223010141 in words is "thirty billion, two hundred twenty-three million, ten thousand, one hundred forty-one".

Divisors: 1 31 974935811 30223010141