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31301202112 = 26913353551
BaseRepresentation
bin11101001001101100…
…100111000011000000
32222210102201211002221
4131021230213003000
51003101101431422
622213553220424
72155446554005
oct351154470300
988712654087
1031301202112
1112302792484
126096861714
132c4ab3128b
14172d19d8ac
15c32ea53c7
hex749b270c0

31301202112 has 28 divisors (see below), whose sum is σ = 62121283936. Its totient is φ = 15648595200.

The previous prime is 31301202109. The next prime is 31301202151. The reversal of 31301202112 is 21120210313.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557737 + ... + 611287.

Almost surely, 231301202112 is an apocalyptic number.

31301202112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

31301202112 is a deficient number, since it is larger than the sum of its proper divisors (30820081824).

31301202112 is an equidigital number, since it uses as much as digits as its factorization.

31301202112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62696 (or 62686 counting only the distinct ones).

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

Adding to 31301202112 its reverse (21120210313), we get a palindrome (52421412425).

The spelling of 31301202112 in words is "thirty-one billion, three hundred one million, two hundred two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 64 9133 18266 36532 53551 73064 107102 146128 214204 292256 428408 584512 856816 1713632 3427264 489081283 978162566 1956325132 3912650264 7825300528 15650601056 31301202112