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2312133031 = 13971833571
BaseRepresentation
bin1000100111010000…
…0101100110100111
312222010200112020201
42021310011212213
514213401224111
61021233011331
7111203543425
oct21164054647
95863615221
102312133031
11a8715884a
125463b3b47
132ab032870
1417d10a115
15d7ebb6c1
hex89d059a7

2312133031 has 8 divisors (see below), whose sum is σ = 2515660784. Its totient is φ = 2112272640.

The previous prime is 2312133023. The next prime is 2312133097. The reversal of 2312133031 is 1303312132.

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 2312133031 - 23 = 2312133023 is a prime.

It is a super-2 number, since 2×23121330312 = 10691918306082493922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312133011) 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, 915525 + ... + 918046.

It is an arithmetic number, because the mean of its divisors is an integer number (314457598).

Almost surely, 22312133031 is an apocalyptic number.

2312133031 is a deficient number, since it is larger than the sum of its proper divisors (203527753).

2312133031 is a wasteful number, since it uses less digits than its factorization.

2312133031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833681.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2312133031 is about 48084.6444408192. The cubic root of 2312133031 is about 1322.3231645949.

Adding to 2312133031 its reverse (1303312132), we get a palindrome (3615445163).

The spelling of 2312133031 in words is "two billion, three hundred twelve million, one hundred thirty-three thousand, thirty-one".

Divisors: 1 13 97 1261 1833571 23836423 177856387 2312133031