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223020012131 = 7317412633547
BaseRepresentation
bin1100111110110100000…
…1110101001001100011
3210022122122111110120022
43033231001311021203
512123221110342011
6250242020504055
722053433553000
oct3175501651143
9708578443508
10223020012131
1186644a8a014
1237280b4b02b
1318052597127
14ab194dc8a7
155c043d88db
hex33ed075263

223020012131 has 64 divisors (see below), whose sum is σ = 283249612800. Its totient is φ = 174810424320.

The previous prime is 223020012091. The next prime is 223020012133. The reversal of 223020012131 is 131210020322.

It is not a de Polignac number, because 223020012131 - 226 = 222952903267 is a prime.

It is a super-2 number, since 2×2230200121312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (223020012133) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62873900 + ... + 62877446.

It is an arithmetic number, because the mean of its divisors is an integer number (4425775200).

Almost surely, 2223020012131 is an apocalyptic number.

223020012131 is a deficient number, since it is larger than the sum of its proper divisors (60229600669).

223020012131 is a wasteful number, since it uses less digits than its factorization.

223020012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889 (or 3875 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 223020012131 its reverse (131210020322), we get a palindrome (354230032453).

The spelling of 223020012131 in words is "two hundred twenty-three billion, twenty million, twelve thousand, one hundred thirty-one".

Divisors: 1 7 17 41 49 119 263 287 343 697 833 1841 2009 3547 4471 4879 5831 10783 12887 14063 24829 31297 34153 60299 75481 90209 145427 173803 183311 219079 239071 422093 528367 932861 1017989 1216621 1283177 1533553 2472259 2954651 3698569 6530027 7125923 8982239 15858637 17305813 20682557 38247301 45710189 49881461 62875673 111010459 121140691 267731107 319971323 650204117 777073213 847984837 1874117749 4551428819 5439512491 13118824243 31860001733 223020012131