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31002055355513 = 1125111228560433
BaseRepresentation
bin1110000110010001110100…
…11111110010110001111001
311001202202201112122001200102
413003020322133302301321
513030414202132334023
6145534051515045145
76346552555361324
oct703107237626171
9131682645561612
1031002055355513
119972997031a70
1235884a57407b5
13143b634494088
1479271677b7bb
1538b67bbd9628
hex1c323a7f2c79

31002055355513 has 8 divisors (see below), whose sum is σ = 33955166752416. Its totient is φ = 28071401080000.

The previous prime is 31002055355483. The next prime is 31002055355533. The reversal of 31002055355513 is 31555355020013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31002055355513 - 216 = 31002055289977 is a prime.

It is a super-2 number, since 2×310020553555132 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31002055355533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5614277456 + ... + 5614282977.

It is an arithmetic number, because the mean of its divisors is an integer number (4244395844052).

Almost surely, 231002055355513 is an apocalyptic number.

It is an amenable number.

31002055355513 is a deficient number, since it is larger than the sum of its proper divisors (2953111396903).

31002055355513 is a wasteful number, since it uses less digits than its factorization.

31002055355513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228560695.

The product of its (nonzero) digits is 168750, while the sum is 38.

The spelling of 31002055355513 in words is "thirty-one trillion, two billion, fifty-five million, three hundred fifty-five thousand, five hundred thirteen".

Divisors: 1 11 251 2761 11228560433 123514164763 2818368668683 31002055355513