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231312796943 is a prime number
BaseRepresentation
bin1101011101101101010…
…0010010110100001111
3211010001120211120201112
43113123110102310033
512242212034000233
6254132540002235
722466101222124
oct3273324226417
9733046746645
10231312796943
118a110052a88
12389b623037b
1318a7467cba7
14b2a4a1c74b
15603c46a048
hex35db512d0f

231312796943 has 2 divisors, whose sum is σ = 231312796944. Its totient is φ = 231312796942.

The previous prime is 231312796933. The next prime is 231312796951. The reversal of 231312796943 is 349697213132.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 231312796943 - 26 = 231312796879 is a prime.

It is a super-2 number, since 2×2313127969432 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231312796891 and 231312796900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231312796903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115656398471 + 115656398472.

It is an arithmetic number, because the mean of its divisors is an integer number (115656398472).

Almost surely, 2231312796943 is an apocalyptic number.

231312796943 is a deficient number, since it is larger than the sum of its proper divisors (1).

231312796943 is an equidigital number, since it uses as much as digits as its factorization.

231312796943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 50.

The spelling of 231312796943 in words is "two hundred thirty-one billion, three hundred twelve million, seven hundred ninety-six thousand, nine hundred forty-three".