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31122330321033 = 337164668414397
BaseRepresentation
bin1110001001110001110110…
…11100011000000010001001
311002012021011201012100222000
413010320323130120002021
513034402013030233113
6150105222353021213
76361341233615430
oct704707334300211
9132167151170860
1031122330321033
119a099a7121816
1235a7871554809
131449a91622423
1479848641c117
1538e86ada6373
hex1c4e3b718089

31122330321033 has 16 divisors (see below), whose sum is σ = 52693892607360. Its totient is φ = 17784188754768.

The previous prime is 31122330321007. The next prime is 31122330321101. The reversal of 31122330321033 is 33012303322113.

31122330321033 is a `hidden beast` number, since 3 + 1 + 1 + 2 + 2 + 330 + 321 + 0 + 3 + 3 = 666.

It is not a de Polignac number, because 31122330321033 - 213 = 31122330312841 is a prime.

It is a super-2 number, since 2×311223303210332 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31122330320988 and 31122330321006.

It is not an unprimeable number, because it can be changed into a prime (31122330325033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82334207010 + ... + 82334207387.

It is an arithmetic number, because the mean of its divisors is an integer number (3293368287960).

Almost surely, 231122330321033 is an apocalyptic number.

It is an amenable number.

31122330321033 is a deficient number, since it is larger than the sum of its proper divisors (21571562286327).

31122330321033 is a wasteful number, since it uses less digits than its factorization.

31122330321033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164668414413 (or 164668414407 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 31122330321033 its reverse (33012303322113), we get a palindrome (64134633643146).

The spelling of 31122330321033 in words is "thirty-one trillion, one hundred twenty-two billion, three hundred thirty million, three hundred twenty-one thousand, thirty-three".

Divisors: 1 3 7 9 21 27 63 189 164668414397 494005243191 1152678900779 1482015729573 3458036702337 4446047188719 10374110107011 31122330321033