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23130130031 = 181132593919
BaseRepresentation
bin10101100010101010…
…011100011001101111
32012200222102100102122
4111202222130121233
5334332303130111
614343102543155
71446120601301
oct254252343157
965628370378
1023130130031
11989a3a0048
124596297abb
132248021b98
141195cc3971
15905966cdb
hex562a9c66f

23130130031 has 8 divisors (see below), whose sum is σ = 23155910400. Its totient is φ = 23104367640.

The previous prime is 23130129961. The next prime is 23130130061. The reversal of 23130130031 is 13003103132.

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

It is a cyclic number.

It is not a de Polignac number, because 23130130031 - 210 = 23130129007 is a prime.

It is a super-2 number, since 2×231301300312 (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 = 23130129991 and 23130130009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23130130061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5900090 + ... + 5904008.

It is an arithmetic number, because the mean of its divisors is an integer number (2894488800).

Almost surely, 223130130031 is an apocalyptic number.

23130130031 is a deficient number, since it is larger than the sum of its proper divisors (25780369).

23130130031 is a wasteful number, since it uses less digits than its factorization.

23130130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8989.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 23130130031 its reverse (13003103132), we get a palindrome (36133233163).

The spelling of 23130130031 in words is "twenty-three billion, one hundred thirty million, one hundred thirty thousand, thirty-one".

Divisors: 1 1811 3259 3919 5902049 7097309 12772021 23130130031