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2133412031 = 2441873991
BaseRepresentation
bin111111100101001…
…0100100010111111
312111200101120010102
41333022110202333
513332123141111
6551410231315
7103603463102
oct17712244277
95450346112
102133412031
119a528a043
124b658553b
1327ccb8baa
141634a6739
15c746713b
hex7f2948bf

2133412031 has 4 divisors (see below), whose sum is σ = 2134288464. Its totient is φ = 2132535600.

The previous prime is 2133412009. The next prime is 2133412049. The reversal of 2133412031 is 1302143312.

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 2133412031 - 230 = 1059670207 is a prime.

It is a super-2 number, since 2×21334120312 = 9102893788031089922, 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 = 2133411994 and 2133412012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133412531) 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, 434555 + ... + 439436.

It is an arithmetic number, because the mean of its divisors is an integer number (533572116).

Almost surely, 22133412031 is an apocalyptic number.

2133412031 is a deficient number, since it is larger than the sum of its proper divisors (876433).

2133412031 is an equidigital number, since it uses as much as digits as its factorization.

2133412031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876432.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2133412031 is about 46188.8734545453. The cubic root of 2133412031 is about 1287.3350088132.

Adding to 2133412031 its reverse (1302143312), we get a palindrome (3435555343).

The spelling of 2133412031 in words is "two billion, one hundred thirty-three million, four hundred twelve thousand, thirty-one".

Divisors: 1 2441 873991 2133412031