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3121011102 = 2311411153367
BaseRepresentation
bin1011101000000110…
…1101100110011110
322001111201210100210
42322001231212132
522342434323402
61233410033250
7140225104506
oct27201554636
98044653323
103121011102
111361802920
12731278826
133a97a3741
14218706a06
15133ee906c
hexba06d99e

3121011102 has 32 divisors (see below), whose sum is σ = 6975569664. Its totient is φ = 922692800.

The previous prime is 3121011083. The next prime is 3121011107. The reversal of 3121011102 is 2011101213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121011107) 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, 573978 + ... + 579389.

It is an arithmetic number, because the mean of its divisors is an integer number (217986552).

Almost surely, 23121011102 is an apocalyptic number.

3121011102 is an abundant number, since it is smaller than the sum of its proper divisors (3854558562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3121011102 is a wasteful number, since it uses less digits than its factorization.

3121011102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153424.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 3121011102 is about 55866.0102566847. The cubic root of 3121011102 is about 1461.3865451229.

Adding to 3121011102 its reverse (2011101213), we get a palindrome (5132112315).

The spelling of 3121011102 in words is "three billion, one hundred twenty-one million, eleven thousand, one hundred two".

Divisors: 1 2 3 6 11 22 33 41 66 82 123 246 451 902 1353 2706 1153367 2306734 3460101 6920202 12687037 25374074 38061111 47288047 76122222 94576094 141864141 283728282 520168517 1040337034 1560505551 3121011102