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31130201110 = 253113020111
BaseRepresentation
bin11100111111100000…
…010010110000010110
32222100111222001211111
4130333200102300112
51002223312413420
622145004125234
72151302225551
oct347740226026
988314861744
1031130201110
1112225206938
12604953681a
132c2158b458
1417145a9698
15c22e7845a
hex73f812c16

31130201110 has 8 divisors (see below), whose sum is σ = 56034362016. Its totient is φ = 12452080440.

The previous prime is 31130201087. The next prime is 31130201131. The reversal of 31130201110 is 1110203113.

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

It is a super-2 number, since 2×311302011102 (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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1556510046 + ... + 1556510065.

It is an arithmetic number, because the mean of its divisors is an integer number (7004295252).

Almost surely, 231130201110 is an apocalyptic number.

31130201110 is a deficient number, since it is larger than the sum of its proper divisors (24904160906).

31130201110 is a wasteful number, since it uses less digits than its factorization.

31130201110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3113020118.

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

Adding to 31130201110 its reverse (1110203113), we get a palindrome (32240404223).

The spelling of 31130201110 in words is "thirty-one billion, one hundred thirty million, two hundred one thousand, one hundred ten".

Divisors: 1 2 5 10 3113020111 6226040222 15565100555 31130201110