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31102010111011 = 7163718311482359
BaseRepresentation
bin1110001001001100000000…
…10000111011010000100011
311002010022201120010202010211
413010212000100323100203
513034033404042023021
6150052022144234551
76360021542646550
oct704460020732043
9132108646122124
1031102010111011
119a01319975214
1235a394030ba57
131447ba37c1b08
147974b97c1a27
1538e07be883e1
hex1c498043b423

31102010111011 has 16 divisors (see below), whose sum is σ = 35586316846080. Its totient is φ = 26628011814240.

The previous prime is 31102010110991. The next prime is 31102010111017. The reversal of 31102010111011 is 11011101020113.

It is a cyclic number.

It is not a de Polignac number, because 31102010111011 - 229 = 31101473240099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31102010110982 and 31102010111000.

It is not an unprimeable number, because it can be changed into a prime (31102010111017) 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 15 ways as a sum of consecutive naturals, for example, 20240250 + ... + 21722608.

It is an arithmetic number, because the mean of its divisors is an integer number (2224144802880).

Almost surely, 231102010111011 is an apocalyptic number.

31102010111011 is a deficient number, since it is larger than the sum of its proper divisors (4484306735069).

31102010111011 is a wasteful number, since it uses less digits than its factorization.

31102010111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485834.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 31102010111011 its reverse (11011101020113), we get a palindrome (42113111131124).

The spelling of 31102010111011 in words is "thirty-one trillion, one hundred two billion, ten million, one hundred eleven thousand, eleven".

Divisors: 1 7 1637 1831 11459 12817 1482359 2997347 10376513 20981429 2426621683 2714199329 16986351781 18999395303 4443144301573 31102010111011