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231420310203 = 3159748303133
BaseRepresentation
bin1101011110000110111…
…0011011001010111011
3211010100002010211012010
43113201232123022323
512242422044411303
6254151340221003
722501545115635
oct3274156331273
9733302124163
10231420310203
118a165806315
1238a2623a763
1318a90a243c4
14b2b5007a55
156046b05c03
hex35e1b9b2bb

231420310203 has 8 divisors (see below), whose sum is σ = 308753632528. Its totient is φ = 154183597344.

The previous prime is 231420310193. The next prime is 231420310217. The reversal of 231420310203 is 302013024132.

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

It is not a de Polignac number, because 231420310203 - 212 = 231420306107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231420310203.

It is not an unprimeable number, because it can be changed into a prime (231420310243) 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, 24146776 + ... + 24156357.

It is an arithmetic number, because the mean of its divisors is an integer number (38594204066).

Almost surely, 2231420310203 is an apocalyptic number.

231420310203 is a deficient number, since it is larger than the sum of its proper divisors (77333322325).

231420310203 is a wasteful number, since it uses less digits than its factorization.

231420310203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48304733.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231420310203 its reverse (302013024132), we get a palindrome (533433334335).

The spelling of 231420310203 in words is "two hundred thirty-one billion, four hundred twenty million, three hundred ten thousand, two hundred three".

Divisors: 1 3 1597 4791 48303133 144909399 77140103401 231420310203