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31310030110 = 253784621703
BaseRepresentation
bin11101001010001110…
…010010010100011110
32222211001100022211211
4131022032102110132
51003110331430420
622214510335034
72155614602422
oct351216222436
988731308754
1031310030110
1112307772047
1260997ba47a
132c4c902548
14173041ab82
15c33b4ae5a
hex74a39251e

31310030110 has 16 divisors (see below), whose sum is σ = 57881245536. Its totient is φ = 12185525088.

The previous prime is 31310030107. The next prime is 31310030113. The reversal of 31310030110 is 1103001313.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31310030107) and next prime (31310030113).

It is a super-2 number, since 2×313100301102 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31310030113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42310482 + ... + 42311221.

It is an arithmetic number, because the mean of its divisors is an integer number (3617577846).

Almost surely, 231310030110 is an apocalyptic number.

31310030110 is a deficient number, since it is larger than the sum of its proper divisors (26571215426).

31310030110 is a wasteful number, since it uses less digits than its factorization.

31310030110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84621747.

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 31310030110 its reverse (1103001313), we get a palindrome (32413031423).

The spelling of 31310030110 in words is "thirty-one billion, three hundred ten million, thirty thousand, one hundred ten".

Divisors: 1 2 5 10 37 74 185 370 84621703 169243406 423108515 846217030 3131003011 6262006022 15655015055 31310030110