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31101103102 = 223676110937
BaseRepresentation
bin11100111101110001…
…010010101111111110
32222021111012201212111
4130331301102233332
51002143340244402
622142044324234
72150500004656
oct347561225776
988244181774
1031101103102
111220a8420a3
12603b84367a
132c18540bb4
141710793366
15c2062b9d7
hex73dc52bfe

31101103102 has 8 divisors (see below), whose sum is σ = 48679987536. Its totient is φ = 14874440592.

The previous prime is 31101103093. The next prime is 31101103139. The reversal of 31101103102 is 20130110113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×311011031022 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338055423 + ... + 338055514.

It is an arithmetic number, because the mean of its divisors is an integer number (6084998442).

Almost surely, 231101103102 is an apocalyptic number.

31101103102 is a deficient number, since it is larger than the sum of its proper divisors (17578884434).

31101103102 is a wasteful number, since it uses less digits than its factorization.

31101103102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676110962.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 31101103102 its reverse (20130110113), we get a palindrome (51231213215).

The spelling of 31101103102 in words is "thirty-one billion, one hundred one million, one hundred three thousand, one hundred two".

Divisors: 1 2 23 46 676110937 1352221874 15550551551 31101103102