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231311323199 = 1173288058933
BaseRepresentation
bin1101011101101100111…
…0101011000000111111
3211010001111001201010102
43113123032223000333
512242211144320244
6254132444231315
722466052543365
oct3273316530077
9733044051112
10231311323199
118a10a236810
12389b583b53b
1318a74285158
14b2a4757635
15603c27854e
hex35db3ab03f

231311323199 has 8 divisors (see below), whose sum is σ = 255796333392. Its totient is φ = 207402431040.

The previous prime is 231311323181. The next prime is 231311323247. The reversal of 231311323199 is 991323113132.

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 231311323199 - 220 = 231310274623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231311323699) 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, 144028664 + ... + 144030269.

It is an arithmetic number, because the mean of its divisors is an integer number (31974541674).

Almost surely, 2231311323199 is an apocalyptic number.

231311323199 is a deficient number, since it is larger than the sum of its proper divisors (24485010193).

231311323199 is a wasteful number, since it uses less digits than its factorization.

231311323199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288059017.

The product of its digits is 26244, while the sum is 38.

The spelling of 231311323199 in words is "two hundred thirty-one billion, three hundred eleven million, three hundred twenty-three thousand, one hundred ninety-nine".

Divisors: 1 11 73 803 288058933 3168648263 21028302109 231311323199