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231111113323 = 1126120523143
BaseRepresentation
bin1101011100111101001…
…0111011101001101011
3211002112112022222210211
43113033102323221223
512241303421111243
6254100533121551
722461102023206
oct3271722735153
9732475288724
10231111113323
118a017220102
123895a7892b7
1318a4195647c
14b285d1c93d
1560298cbd9d
hex35cf4bba6b

231111113323 has 4 divisors (see below), whose sum is σ = 231131647728. Its totient is φ = 231090578920.

The previous prime is 231111113281. The next prime is 231111113369. The reversal of 231111113323 is 323311111132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231111113323 - 213 = 231111105131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231111113294 and 231111113303.

It is not an unprimeable number, because it can be changed into a prime (231111113393) 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, 10250311 + ... + 10272832.

It is an arithmetic number, because the mean of its divisors is an integer number (57782911932).

Almost surely, 2231111113323 is an apocalyptic number.

231111113323 is a deficient number, since it is larger than the sum of its proper divisors (20534405).

231111113323 is a wasteful number, since it uses less digits than its factorization.

231111113323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20534404.

The product of its digits is 324, while the sum is 22.

Adding to 231111113323 its reverse (323311111132), we get a palindrome (554422224455).

The spelling of 231111113323 in words is "two hundred thirty-one billion, one hundred eleven million, one hundred thirteen thousand, three hundred twenty-three".

Divisors: 1 11261 20523143 231111113323