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30223024031 = 173984144623
BaseRepresentation
bin11100001001011011…
…101011111110011111
32220000021221200211102
4130021123223332133
5443344043232111
621515000143315
72116645315454
oct341133537637
986007850742
1030223024031
11118aa122312
125a35767b3b
132b08651095
141669d0182b
15bbd4d013b
hex7096ebf9f

30223024031 has 8 divisors (see below), whose sum is σ = 32002369344. Its totient is φ = 28443847680.

The previous prime is 30223024021. The next prime is 30223024043. The reversal of 30223024031 is 13042032203.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30223024031 is a prime.

It is a super-2 number, since 2×302230240312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30223023994 and 30223024012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223024021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654986 + ... + 699608.

It is an arithmetic number, because the mean of its divisors is an integer number (4000296168).

Almost surely, 230223024031 is an apocalyptic number.

30223024031 is a deficient number, since it is larger than the sum of its proper divisors (1779345313).

30223024031 is a wasteful number, since it uses less digits than its factorization.

30223024031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84481.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30223024031 its reverse (13042032203), we get a palindrome (43265056234).

The spelling of 30223024031 in words is "thirty billion, two hundred twenty-three million, twenty-four thousand, thirty-one".

Divisors: 1 17 39841 44623 677297 758591 1777824943 30223024031