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10312011133 = 16823612971
BaseRepresentation
bin10011001101010010…
…01100110101111101
3222121122212102221021
421212221030311331
5132104333324013
64423130104141
7513353435254
oct114651146575
928548772837
1010312011133
114411952656
121bb957b051
13c84532348
146db78179b
15405490a8d
hex266a4cd7d

10312011133 has 4 divisors (see below), whose sum is σ = 10312640928. Its totient is φ = 10311381340.

The previous prime is 10312011109. The next prime is 10312011137. The reversal of 10312011133 is 33111021301.

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 an emirpimes, since its reverse is a distinct semiprime: 33111021301 = 330831000847.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10312011133 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 (10312011137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289663 + ... + 323308.

It is an arithmetic number, because the mean of its divisors is an integer number (2578160232).

Almost surely, 210312011133 is an apocalyptic number.

It is an amenable number.

10312011133 is a deficient number, since it is larger than the sum of its proper divisors (629795).

10312011133 is an equidigital number, since it uses as much as digits as its factorization.

10312011133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629794.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 10312011133 its reverse (33111021301), we get a palindrome (43423032434).

The spelling of 10312011133 in words is "ten billion, three hundred twelve million, eleven thousand, one hundred thirty-three".

Divisors: 1 16823 612971 10312011133