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231033012313130 = 25173973423218437
BaseRepresentation
bin110100100001111110010000…
…101000010101110000101010
31010022000112120212020111200122
4310201332100220111300222
5220240221102123010010
62135211033423403242
766443404263546656
oct6441762050256052
91108015525214618
10231033012313130
1167683606483805
1221ab38b4453522
139bbb420164951
14410a0b3951a66
151ba9a738d0855
hexd21f90a15c2a

231033012313130 has 32 divisors (see below), whose sum is σ = 441430864016976. Its totient is φ = 86758048041984.

The previous prime is 231033012313097. The next prime is 231033012313141. The reversal of 231033012313130 is 31313210330132.

It can be written as a sum of positive squares in 8 ways, for example, as 86416489826209 + 144616522486921 = 9296047^2 + 12025661^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231033012313130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1711541729 + ... + 1711676708.

Almost surely, 2231033012313130 is an apocalyptic number.

231033012313130 is a deficient number, since it is larger than the sum of its proper divisors (210397851703846).

231033012313130 is a wasteful number, since it uses less digits than its factorization.

231033012313130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3423218858.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 231033012313130 its reverse (31313210330132), we get a palindrome (262346222643262).

The spelling of 231033012313130 in words is "two hundred thirty-one trillion, thirty-three billion, twelve million, three hundred thirteen thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 397 794 1985 3970 6749 13498 33745 67490 3423218437 6846436874 17116092185 34232184370 58194713429 116389426858 290973567145 581947134290 1359017719489 2718035438978 6795088597445 13590177194890 23103301231313 46206602462626 115516506156565 231033012313130