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2312131310 = 25231213131
BaseRepresentation
bin1000100111010000…
…0101001011101110
312222010200102212222
42021310011023232
514213401200220
61021232555342
7111203535416
oct21164051356
95863612788
102312131310
11a87157525
125463b2b52
132ab031b48
1417d109646
15d7ebae25
hex89d052ee

2312131310 has 8 divisors (see below), whose sum is σ = 4161836376. Its totient is φ = 924852520.

The previous prime is 2312131309. The next prime is 2312131319. The reversal of 2312131310 is 131312132.

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

It is a super-2 number, since 2×23121313102 = 10691902389364632200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312131319) 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, 115606556 + ... + 115606575.

It is an arithmetic number, because the mean of its divisors is an integer number (520229547).

Almost surely, 22312131310 is an apocalyptic number.

2312131310 is a deficient number, since it is larger than the sum of its proper divisors (1849705066).

2312131310 is a wasteful number, since it uses less digits than its factorization.

2312131310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231213138.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2312131310 is about 48084.6265452899. The cubic root of 2312131310 is about 1322.3228365113.

Adding to 2312131310 its reverse (131312132), we get a palindrome (2443443442).

The spelling of 2312131310 in words is "two billion, three hundred twelve million, one hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 231213131 462426262 1156065655 2312131310