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13220322023031 = 323893823563117
BaseRepresentation
bin1100000001100001100010…
…0110010001011001110111
31201210211221222020221120120
43000120120212101121313
53213100204414214111
644041155422103023
72533064622035064
oct300303046213167
951724858227516
1013220322023031
114237786146652
12159622b11aa73
1374b8952c1196
14339c1d095c6b
1517dd56c86406
hexc0618991677

13220322023031 has 32 divisors (see below), whose sum is σ = 18605058324480. Its totient is φ = 8333432050944.

The previous prime is 13220322023023. The next prime is 13220322023057. The reversal of 13220322023031 is 13032022302231.

It is not a de Polignac number, because 13220322023031 - 23 = 13220322023023 is a prime.

It is a super-2 number, since 2×132203220230312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13220322022992 and 13220322023010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220322023021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23195485 + ... + 23758601.

It is an arithmetic number, because the mean of its divisors is an integer number (581408072640).

Almost surely, 213220322023031 is an apocalyptic number.

13220322023031 is a deficient number, since it is larger than the sum of its proper divisors (5384736301449).

13220322023031 is a wasteful number, since it uses less digits than its factorization.

13220322023031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567055.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13220322023031 its reverse (13032022302231), we get a palindrome (26252344325262).

The spelling of 13220322023031 in words is "thirteen trillion, two hundred twenty billion, three hundred twenty-two million, twenty-three thousand, thirty-one".

Divisors: 1 3 23 69 89 267 2047 3823 6141 11469 87929 263787 340247 563117 1020741 1689351 7825681 12951691 23477043 38855073 50117413 150352239 1152700499 2152796291 3458101497 6458388873 49514314693 148542944079 191598869899 574796609697 4406774007677 13220322023031