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3121120134 = 2331117309083
BaseRepresentation
bin1011101000001000…
…1000001110000110
322001111221022221000
42322002020032012
522343001321014
61233412234130
7140226040416
oct27202101606
98044838830
103121120134
111361877830
1273130b946
133a9811262
14218734646
1513401b509
hexba088386

3121120134 has 64 divisors (see below), whose sum is σ = 8011457280. Its totient is φ = 890156160.

The previous prime is 3121120103. The next prime is 3121120141. The reversal of 3121120134 is 4310211213.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144444 + ... + 164639.

It is an arithmetic number, because the mean of its divisors is an integer number (125179020).

Almost surely, 23121120134 is an apocalyptic number.

3121120134 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3121120134 is an abundant number, since it is smaller than the sum of its proper divisors (4890337146).

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

3121120134 is a wasteful number, since it uses less digits than its factorization.

3121120134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309122 (or 309116 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 3121120134 is about 55866.9860830169. The cubic root of 3121120134 is about 1461.4035626895.

Adding to 3121120134 its reverse (4310211213), we get a palindrome (7431331347).

The spelling of 3121120134 in words is "three billion, one hundred twenty-one million, one hundred twenty thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 11 17 18 22 27 33 34 51 54 66 99 102 153 187 198 297 306 374 459 561 594 918 1122 1683 3366 5049 10098 309083 618166 927249 1854498 2781747 3399913 5254411 5563494 6799826 8345241 10199739 10508822 15763233 16690482 20399478 30599217 31526466 47289699 57798521 61198434 91797651 94579398 115597042 141869097 173395563 183595302 283738194 346791126 520186689 1040373378 1560560067 3121120134