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31122330321032 = 2310987614073821
BaseRepresentation
bin1110001001110001110110…
…11100011000000010001000
311002012021011201012100221222
413010320323130120002020
513034402013030233112
6150105222353021212
76361341233615426
oct704707334300210
9132167151170858
1031122330321032
119a099a7121815
1235a7871554808
131449a91622422
1479848641c116
1538e86ada6372
hex1c4e3b718088

31122330321032 has 32 divisors (see below), whose sum is σ = 58896466800600. Its totient is φ = 15416638502400.

The previous prime is 31122330321007. The next prime is 31122330321101. The reversal of 31122330321032 is 23012303322113.

It can be written as a sum of positive squares in 4 ways, for example, as 21161527227556 + 9960803093476 = 4600166^2 + 3156074^2 .

It is a super-2 number, since 2×311223303210322 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31122330320992 and 31122330321010.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5602682 + ... + 9676502.

Almost surely, 231122330321032 is an apocalyptic number.

It is an amenable number.

31122330321032 is a deficient number, since it is larger than the sum of its proper divisors (27774136479568).

31122330321032 is a wasteful number, since it uses less digits than its factorization.

31122330321032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4082697 (or 4082693 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 31122330321032 its reverse (23012303322113), we get a palindrome (54134633643145).

The spelling of 31122330321032 in words is "thirty-one trillion, one hundred twenty-two billion, three hundred thirty million, three hundred twenty-one thousand, thirty-two".

Divisors: 1 2 4 8 109 218 436 872 8761 17522 35044 70088 954949 1909898 3819796 4073821 7639592 8147642 16295284 32590568 444046489 888092978 1776185956 3552371912 35690745781 71381491562 142762983124 285525966248 3890291290129 7780582580258 15561165160516 31122330321032