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231311010002033 = 132345710191661249
BaseRepresentation
bin110100100110000001001010…
…100101010111010001110001
31010100000010010222221022201202
4310212001022211113101301
5220304244422030031113
62135542451102540545
766502445314116623
oct6446011245272161
91110003128838652
10231311010002033
11677804a2976025
1221b39759297755
139c0b6c4812660
1441197268b0c13
151bb1de4656258
hexd2604a957471

231311010002033 has 32 divisors (see below), whose sum is σ = 260759368800000. Its totient is φ = 203587457458176.

The previous prime is 231311010001993. The next prime is 231311010002071. The reversal of 231311010002033 is 330200010113132.

It is a cyclic number.

It is not a de Polignac number, because 231311010002033 - 246 = 160942265824369 is a prime.

It is a super-2 number, since 2×2313110100020332 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231311010001996 and 231311010002014.

It is not an unprimeable number, because it can be changed into a prime (231311010032033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138408593 + ... + 140069841.

It is an arithmetic number, because the mean of its divisors is an integer number (8148730275000).

Almost surely, 2231311010002033 is an apocalyptic number.

231311010002033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

231311010002033 is a deficient number, since it is larger than the sum of its proper divisors (29448358797967).

231311010002033 is a wasteful number, since it uses less digits than its factorization.

231311010002033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662761.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 231311010002033 its reverse (330200010113132), we get a palindrome (561511020115165).

The spelling of 231311010002033 in words is "two hundred thirty-one trillion, three hundred eleven billion, ten million, two thousand, thirty-three".

Divisors: 1 13 23 299 457 1019 5941 10511 13247 23437 136643 304681 465683 1661249 6053879 10710709 21596237 38208727 139239217 496713451 759190793 1692812731 9869480309 17461388239 22006565503 38934692813 226998047107 506151006569 773615418067 10057000434871 17793154615541 231311010002033