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31102303100111 = 1717191106424713
BaseRepresentation
bin1110001001001100100011…
…01110100101110011001111
311002010100110222110010121222
413010212101232211303033
513034040004043200421
6150052111212113555
76360032031216305
oct704462156456317
9132110428403558
1031102303100111
119a0145a2a0271
1235a3a024658bb
131447c1c406749
1479750668c275
1538e097a5ecab
hex1c4991ba5ccf

31102303100111 has 8 divisors (see below), whose sum is σ = 32933766295584. Its totient is φ = 29271052788480.

The previous prime is 31102303100107. The next prime is 31102303100129. The reversal of 31102303100111 is 11100130320113.

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

It is a cyclic number.

It is not a de Polignac number, because 31102303100111 - 22 = 31102303100107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31102303100111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31102303100131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52920110 + ... + 53504603.

It is an arithmetic number, because the mean of its divisors is an integer number (4116720786948).

Almost surely, 231102303100111 is an apocalyptic number.

31102303100111 is a deficient number, since it is larger than the sum of its proper divisors (1831463195473).

31102303100111 is a wasteful number, since it uses less digits than its factorization.

31102303100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106441921.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 31102303100111 its reverse (11100130320113), we get a palindrome (42202433420224).

The spelling of 31102303100111 in words is "thirty-one trillion, one hundred two billion, three hundred three million, one hundred thousand, one hundred eleven".

Divisors: 1 17 17191 292247 106424713 1809220121 1829547241183 31102303100111