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231223031103 = 3353218340917
BaseRepresentation
bin1101011101010111110…
…1110111010100111111
3211002211022221000010210
43113111331313110333
512242021043443403
6254120012003503
722463631223131
oct3272575672477
9732738830123
10231223031103
118a074411639
1238990160593
1318a5bbb06cc
14b296b33051
156034637b03
hex35d5f7753f

231223031103 has 8 divisors (see below), whose sum is σ = 309170739888. Its totient is φ = 153712004864.

The previous prime is 231223031057. The next prime is 231223031111. The reversal of 231223031103 is 301130322132.

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 231223031103 - 28 = 231223030847 is a prime.

It is a super-2 number, since 2×2312230311032 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 231223031103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231223031113) 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, 109169400 + ... + 109171517.

It is an arithmetic number, because the mean of its divisors is an integer number (38646342486).

Almost surely, 2231223031103 is an apocalyptic number.

231223031103 is a deficient number, since it is larger than the sum of its proper divisors (77947708785).

231223031103 is a wasteful number, since it uses less digits than its factorization.

231223031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218341273.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231223031103 its reverse (301130322132), we get a palindrome (532353353235).

The spelling of 231223031103 in words is "two hundred thirty-one billion, two hundred twenty-three million, thirty-one thousand, one hundred three".

Divisors: 1 3 353 1059 218340917 655022751 77074343701 231223031103