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3102111000031 = 5358530396227
BaseRepresentation
bin101101001001000100001…
…110010110010111011111
3101222120002110010112100011
4231021010032112113133
5401311110404000111
610333031244344051
7440056126302451
oct55110416262737
911876073115304
103102111000031
11a966638733aa
12421262845027
131966b27ac294
14aa2004682d1
1555a5de6a021
hex2d2443965df

3102111000031 has 4 divisors (see below), whose sum is σ = 3160641396312. Its totient is φ = 3043580603752.

The previous prime is 3102111000017. The next prime is 3102111000179. The reversal of 3102111000031 is 1300001112013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3102111000031 - 27 = 3102110999903 is a prime.

It is a super-2 number, since 2×31021110000312 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3102110999975 and 3102111000020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3102111000631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29265198061 + ... + 29265198166.

It is an arithmetic number, because the mean of its divisors is an integer number (790160349078).

Almost surely, 23102111000031 is an apocalyptic number.

3102111000031 is a deficient number, since it is larger than the sum of its proper divisors (58530396281).

3102111000031 is an equidigital number, since it uses as much as digits as its factorization.

3102111000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58530396280.

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

Adding to 3102111000031 its reverse (1300001112013), we get a palindrome (4402112112044).

The spelling of 3102111000031 in words is "three trillion, one hundred two billion, one hundred eleven million, thirty-one", and thus it is an aban number.

Divisors: 1 53 58530396227 3102111000031