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31110002230120 = 2351170704550523
BaseRepresentation
bin1110001001011010111001…
…01000011100001101101000
311002011002100112201110111021
413010231130220130031220
513034201241032330440
6150055423203142224
76360423566564422
oct704553450341550
9132132315643437
1031110002230120
119a0475024a630
1235a53b0974974
131448878505a88
14797a36dd7812
1538e39892884a
hex1c4b5ca1c368

31110002230120 has 32 divisors (see below), whose sum is σ = 76360914565920. Its totient is φ = 11312728083520.

The previous prime is 31110002230039. The next prime is 31110002230127. The reversal of 31110002230120 is 2103220001113.

It is a junction number, because it is equal to n+sod(n) for n = 31110002230094 and 31110002230103.

It is not an unprimeable number, because it can be changed into a prime (31110002230127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35352274822 + ... + 35352275701.

It is an arithmetic number, because the mean of its divisors is an integer number (2386278580185).

Almost surely, 231110002230120 is an apocalyptic number.

It is an amenable number.

31110002230120 is an abundant number, since it is smaller than the sum of its proper divisors (45250912335800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31110002230120 is a wasteful number, since it uses less digits than its factorization.

31110002230120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70704550545 (or 70704550541 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31110002230120 its reverse (2103220001113), we get a palindrome (33213222231233).

The spelling of 31110002230120 in words is "thirty-one trillion, one hundred ten billion, two million, two hundred thirty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 70704550523 141409101046 282818202092 353522752615 565636404184 707045505230 777750055753 1414091010460 1555500111506 2828182020920 3111000223012 3888750278765 6222000446024 7777500557530 15555001115060 31110002230120