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2133232131 = 31743639587
BaseRepresentation
bin111111100100110…
…1000101000000011
312111200001102100110
41333021220220003
513332101412011
6551402322403
7103602113442
oct17711505003
95450042313
102133232131
119a5176968
124b64b9403
1327cc55044
1416345ad59
15c742dba6
hex7f268a03

2133232131 has 16 divisors (see below), whose sum is σ = 3012626304. Its totient is φ = 1338052224.

The previous prime is 2133232117. The next prime is 2133232147. The reversal of 2133232131 is 1312323312.

It is not a de Polignac number, because 2133232131 - 26 = 2133232067 is a prime.

It is a super-2 number, since 2×21332321312 = 9101358649461602322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2133232098 and 2133232107.

It is not an unprimeable number, because it can be changed into a prime (2133232531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217720 + ... + 227306.

It is an arithmetic number, because the mean of its divisors is an integer number (188289144).

Almost surely, 22133232131 is an apocalyptic number.

2133232131 is a deficient number, since it is larger than the sum of its proper divisors (879394173).

2133232131 is a wasteful number, since it uses less digits than its factorization.

2133232131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13970.

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

The square root of 2133232131 is about 46186.9259747821. The cubic root of 2133232131 is about 1287.2988229484.

Adding to 2133232131 its reverse (1312323312), we get a palindrome (3445555443).

The spelling of 2133232131 in words is "two billion, one hundred thirty-three million, two hundred thirty-two thousand, one hundred thirty-one".

Divisors: 1 3 17 51 4363 9587 13089 28761 74171 162979 222513 488937 41828081 125484243 711077377 2133232131