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2132330231 = 10357205883
BaseRepresentation
bin111111100011000…
…1100011011110111
312111121100121011202
41333012030123313
513331334031411
6551331123115
7103561336133
oct17706143367
95447317152
102132330231
119a4710299
124b614349b
1327c9ca685
141632a43c3
15c730183b
hex7f18c6f7

2132330231 has 4 divisors (see below), whose sum is σ = 2132546472. Its totient is φ = 2132113992.

The previous prime is 2132330203. The next prime is 2132330243. The reversal of 2132330231 is 1320332312.

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 2132330231 - 218 = 2132068087 is a prime.

It is a super-2 number, since 2×21323302312 = 9093664428073026722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2132330201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92585 + ... + 113298.

It is an arithmetic number, because the mean of its divisors is an integer number (533136618).

Almost surely, 22132330231 is an apocalyptic number.

2132330231 is a deficient number, since it is larger than the sum of its proper divisors (216241).

2132330231 is a wasteful number, since it uses less digits than its factorization.

2132330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216240.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2132330231 is about 46177.1613571038. The cubic root of 2132330231 is about 1287.1173802056.

Adding to 2132330231 its reverse (1320332312), we get a palindrome (3452662543).

The spelling of 2132330231 in words is "two billion, one hundred thirty-two million, three hundred thirty thousand, two hundred thirty-one".

Divisors: 1 10357 205883 2132330231