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2131232133 = 3710410711
BaseRepresentation
bin111111100001000…
…0000010110000101
312111112021210212110
41333002000112011
513331043412013
6551251411233
7103546113522
oct17702002605
95445253773
102131232133
119a4030278
124b58b3b19
1327c704904
1416309a149
15c71862c3
hex7f080585

2131232133 has 4 divisors (see below), whose sum is σ = 2841642848. Its totient is φ = 1420821420.

The previous prime is 2131232101. The next prime is 2131232179. The reversal of 2131232133 is 3312321312.

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.

It is not a de Polignac number, because 2131232133 - 25 = 2131232101 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 (2131232833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355205353 + ... + 355205358.

It is an arithmetic number, because the mean of its divisors is an integer number (710410712).

Almost surely, 22131232133 is an apocalyptic number.

It is an amenable number.

2131232133 is a deficient number, since it is larger than the sum of its proper divisors (710410715).

2131232133 is an equidigital number, since it uses as much as digits as its factorization.

2131232133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710410714.

The product of its digits is 648, while the sum is 21.

The square root of 2131232133 is about 46165.2697706837. The cubic root of 2131232133 is about 1286.8963975940.

Adding to 2131232133 its reverse (3312321312), we get a palindrome (5443553445).

The spelling of 2131232133 in words is "two billion, one hundred thirty-one million, two hundred thirty-two thousand, one hundred thirty-three".

Divisors: 1 3 710410711 2131232133