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2133023131 = 15114125981
BaseRepresentation
bin111111100100011…
…0101100110011011
312111122122210122201
41333020311212123
513332023220011
6551354031031
7103600253221
oct17710654633
95448583581
102133023131
119a5043938
124b6418477
1327cbb0b85
14163404b11
15c73dbcc1
hex7f23599b

2133023131 has 4 divisors (see below), whose sum is σ = 2147149264. Its totient is φ = 2118897000.

The previous prime is 2133023119. The next prime is 2133023149. The reversal of 2133023131 is 1313203312.

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

It is a cyclic number.

It is not a de Polignac number, because 2133023131 - 27 = 2133023003 is a prime.

It is a super-2 number, since 2×21330231312 = 9099575354762086322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2133023099 and 2133023108.

It is not an unprimeable number, because it can be changed into a prime (2133023111) 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, 7062840 + ... + 7063141.

It is an arithmetic number, because the mean of its divisors is an integer number (536787316).

Almost surely, 22133023131 is an apocalyptic number.

2133023131 is a deficient number, since it is larger than the sum of its proper divisors (14126133).

2133023131 is a wasteful number, since it uses less digits than its factorization.

2133023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14126132.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2133023131 is about 46184.6633743281. The cubic root of 2133023131 is about 1287.2567812289.

Adding to 2133023131 its reverse (1313203312), we get a palindrome (3446226443).

The spelling of 2133023131 in words is "two billion, one hundred thirty-three million, twenty-three thousand, one hundred thirty-one".

Divisors: 1 151 14125981 2133023131