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31004483145135 = 353166676307839
BaseRepresentation
bin1110000110010110010110…
…01101000100110110101111
311001202222222201221112221120
413003023023031010312233
513030434140141121020
6145535132443032023
76346666665266223
oct703131315046657
9131688881845846
1031004483145135
119973a224a5275
123588a6280b613
13143b93045c896
147928a6d92783
1538b76edee740
hex1c32cb344daf

31004483145135 has 16 divisors (see below), whose sum is σ = 51207404421120. Its totient is φ = 16002313881120.

The previous prime is 31004483145109. The next prime is 31004483145187. The reversal of 31004483145135 is 53154138440013.

It is a happy number.

It is not a de Polignac number, because 31004483145135 - 29 = 31004483144623 is a prime.

It is a super-2 number, since 2×310044831451352 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33338153455 + ... + 33338154384.

It is an arithmetic number, because the mean of its divisors is an integer number (3200462776320).

Almost surely, 231004483145135 is an apocalyptic number.

31004483145135 is a deficient number, since it is larger than the sum of its proper divisors (20202921275985).

31004483145135 is a wasteful number, since it uses less digits than its factorization.

31004483145135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66676307878.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 31004483145135 in words is "thirty-one trillion, four billion, four hundred eighty-three million, one hundred forty-five thousand, one hundred thirty-five".

Divisors: 1 3 5 15 31 93 155 465 66676307839 200028923517 333381539195 1000144617585 2066965543009 6200896629027 10334827715045 31004483145135