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31032330211133 = 53585515664361
BaseRepresentation
bin1110000111001010001110…
…00001001100111100111101
311001212122212110010002002022
413003211013001030330331
513031413203013224013
6150000020010205525
76352004033403446
oct703450701147475
9131778773102068
1031032330211133
1199848124360a9
1235923347238a5
13144144a792124
14793d894d22cd
1538c34ea07008
hex1c394704cf3d

31032330211133 has 4 divisors (see below), whose sum is σ = 31617845875548. Its totient is φ = 30446814546720.

The previous prime is 31032330211111. The next prime is 31032330211139. The reversal of 31032330211133 is 33111203323013.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17118848325049 + 13913481886084 = 4137493^2 + 3730078^2 .

It is a cyclic number.

It is not a de Polignac number, because 31032330211133 - 220 = 31032329162557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31032330211139) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 292757832128 + ... + 292757832233.

It is an arithmetic number, because the mean of its divisors is an integer number (7904461468887).

Almost surely, 231032330211133 is an apocalyptic number.

It is an amenable number.

31032330211133 is a deficient number, since it is larger than the sum of its proper divisors (585515664415).

31032330211133 is an equidigital number, since it uses as much as digits as its factorization.

31032330211133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585515664414.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31032330211133 its reverse (33111203323013), we get a palindrome (64143533534146).

The spelling of 31032330211133 in words is "thirty-one trillion, thirty-two billion, three hundred thirty million, two hundred eleven thousand, one hundred thirty-three".

Divisors: 1 53 585515664361 31032330211133