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31003142111424 = 2632769737110261
BaseRepresentation
bin1110000110010011110110…
…10001011100000011000000
311001202212112021112222112100
413003021323101130003000
513030423413340031144
6145534351420030400
76346621522554030
oct703117321340300
9131685467488470
1031003142111424
1199733a452084a
123588749692400
13143b778688702
147927bac2d8c0
1538b6e2306269
hex1c327b45c0c0

31003142111424 has 168 divisors, whose sum is σ = 101562273510048. Its totient is φ = 8857833246720.

The previous prime is 31003142111411. The next prime is 31003142111429. The reversal of 31003142111424 is 42411124130013.

It is a happy number.

31003142111424 is a `hidden beast` number, since 3 + 10 + 0 + 3 + 14 + 211 + 1 + 424 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×310031421114242 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31003142111429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281124454 + ... + 281234714.

Almost surely, 231003142111424 is an apocalyptic number.

It is an amenable number.

31003142111424 is an abundant number, since it is smaller than the sum of its proper divisors (70559131398624).

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

31003142111424 is a wasteful number, since it uses less digits than its factorization.

31003142111424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180023 (or 180010 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 31003142111424 its reverse (42411124130013), we get a palindrome (73414266241437).

The spelling of 31003142111424 in words is "thirty-one trillion, three billion, one hundred forty-two million, one hundred eleven thousand, four hundred twenty-four".