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31360434363045 = 325696898541401
BaseRepresentation
bin1110010000101101010111…
…00011001101101010100101
311010001000202120221221112200
413020112223203031222211
513102302132144104140
6150410441253005113
76414500540600064
oct710265343155245
9133030676857480
1031360434363045
119aa09816a6727
123625a42023799
131466378c77008
147a5bd2d761db
15395b54652030
hex1c85ab8cdaa5

31360434363045 has 12 divisors (see below), whose sum is σ = 54358086229356. Its totient is φ = 16725564993600.

The previous prime is 31360434363031. The next prime is 31360434363103. The reversal of 31360434363045 is 54036343406313.

31360434363045 is a `hidden beast` number, since 3 + 1 + 3 + 6 + 0 + 4 + 3 + 4 + 3 + 630 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6540100399044 + 24820333964001 = 2557362^2 + 4982001^2 .

It is not a de Polignac number, because 31360434363045 - 231 = 31358286879397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 696898541401 = 31360434363045 / (3 + 1 + 3 + 6 + 0 + 4 + 3 + 4 + 3 + 6 + 3 + 0 + 4 + 5).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348449270656 + ... + 348449270745.

It is an arithmetic number, because the mean of its divisors is an integer number (4529840519113).

Almost surely, 231360434363045 is an apocalyptic number.

It is an amenable number.

31360434363045 is a deficient number, since it is larger than the sum of its proper divisors (22997651866311).

31360434363045 is a wasteful number, since it uses less digits than its factorization.

31360434363045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696898541412 (or 696898541409 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 45.

Adding to 31360434363045 its reverse (54036343406313), we get a palindrome (85396777769358).

The spelling of 31360434363045 in words is "thirty-one trillion, three hundred sixty billion, four hundred thirty-four million, three hundred sixty-three thousand, forty-five".

Divisors: 1 3 5 9 15 45 696898541401 2090695624203 3484492707005 6272086872609 10453478121015 31360434363045