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202331012312 = 231113199308567
BaseRepresentation
bin1011110001101111011…
…1100011110011011000
3201100020210111101020202
42330123313203303120
511303333214343222
6232541035441332
720421644141162
oct2743367436330
9640223441222
10202331012312
1178898644260
12332682b6248
1316106231cc0
149b15903932
1553e2e1e892
hex2f1bde3cd8

202331012312 has 64 divisors (see below), whose sum is σ = 469151827200. Its totient is φ = 80426010240.

The previous prime is 202331012291. The next prime is 202331012333. The reversal of 202331012312 is 213210133202.

It is an interprime number because it is at equal distance from previous prime (202331012291) and next prime (202331012333).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4632548 + ... + 4676019.

It is an arithmetic number, because the mean of its divisors is an integer number (7330497300).

Almost surely, 2202331012312 is an apocalyptic number.

202331012312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

202331012312 is an abundant number, since it is smaller than the sum of its proper divisors (266820814888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202331012312 is a wasteful number, since it uses less digits than its factorization.

202331012312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9308616 (or 9308612 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 202331012312 its reverse (213210133202), we get a palindrome (415541145514).

The spelling of 202331012312 in words is "two hundred two billion, three hundred thirty-one million, twelve thousand, three hundred twelve".

Divisors: 1 2 4 8 11 13 19 22 26 38 44 52 76 88 104 143 152 209 247 286 418 494 572 836 988 1144 1672 1976 2717 5434 10868 21736 9308567 18617134 37234268 74468536 102394237 121011371 176862773 204788474 242022742 353725546 409576948 484045484 707451092 819153896 968090968 1331125081 1414902184 1945490503 2299216049 2662250162 3890981006 4598432098 5324500324 7781962012 9196864196 10649000648 15563924024 18393728392 25291376539 50582753078 101165506156 202331012312