Search a number
-
+
23130123131 = 371499417037
BaseRepresentation
bin10101100010101010…
…011010101101111011
32012200222101222222002
4111202222122231323
5334332302420011
614343102451215
71446120542213
oct254252325573
965628358862
1023130123131
11989a395945
124596293b0b
13224801b9bb
141195cc1243
15905964c3b
hex562a9ab7b

23130123131 has 8 divisors (see below), whose sum is σ = 23771166000. Its totient is φ = 22489917408.

The previous prime is 23130123097. The next prime is 23130123139. The reversal of 23130123131 is 13132103132.

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 23130123131 - 218 = 23129860987 is a prime.

It is a super-2 number, since 2×231301231312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23130123139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153056 + ... + 263981.

It is an arithmetic number, because the mean of its divisors is an integer number (2971395750).

Almost surely, 223130123131 is an apocalyptic number.

23130123131 is a deficient number, since it is larger than the sum of its proper divisors (641042869).

23130123131 is a wasteful number, since it uses less digits than its factorization.

23130123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418573.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 23130123131 its reverse (13132103132), we get a palindrome (36262226263).

The spelling of 23130123131 in words is "twenty-three billion, one hundred thirty million, one hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 37 1499 55463 417037 15430369 625138463 23130123131