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31332310011133 = 32563279621979
BaseRepresentation
bin1110001111111000111110…
…01101010100110011111101
311002221100011120000211122021
413013330133031110303331
513101322032330324013
6150345510422320141
76412453564545025
oct707743715246375
9132840146024567
1031332310011133
119a8aa5a19588a
1236204b3289051
13146381636a571
147a46c5a96a85
1539505a525a8d
hex1c7f1f354cfd

31332310011133 has 4 divisors (see below), whose sum is σ = 31332322889440. Its totient is φ = 31332297132828.

The previous prime is 31332310011131. The next prime is 31332310011139. The reversal of 31332310011133 is 33111001323313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 31332310011133 - 21 = 31332310011131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31332310011098 and 31332310011107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31332310011131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554663 + ... + 8067316.

It is an arithmetic number, because the mean of its divisors is an integer number (7833080722360).

Almost surely, 231332310011133 is an apocalyptic number.

It is an amenable number.

31332310011133 is a deficient number, since it is larger than the sum of its proper divisors (12878307).

31332310011133 is an equidigital number, since it uses as much as digits as its factorization.

31332310011133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12878306.

The product of its (nonzero) digits is 1458, while the sum is 25.

Adding to 31332310011133 its reverse (33111001323313), we get a palindrome (64443311334446).

The spelling of 31332310011133 in words is "thirty-one trillion, three hundred thirty-two billion, three hundred ten million, eleven thousand, one hundred thirty-three".

Divisors: 1 3256327 9621979 31332310011133