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2031423313 = 17119495489
BaseRepresentation
bin111100100010101…
…0000111101010001
312020120110222220111
41321011100331101
513130021021223
6533324241321
7101224545643
oct17105207521
95216428814
102031423313
1195275a447
124883a0241
13264b2a13a
14153b18893
15bd51d30d
hex79150f51

2031423313 has 4 divisors (see below), whose sum is σ = 2150918820. Its totient is φ = 1911927808.

The previous prime is 2031423311. The next prime is 2031423337. The reversal of 2031423313 is 3133241302.

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

It can be written as a sum of positive squares in 2 ways, for example, as 834747664 + 1196675649 = 28892^2 + 34593^2 .

It is a cyclic number.

It is not a de Polignac number, because 2031423313 - 21 = 2031423311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031423311) 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, 59747728 + ... + 59747761.

It is an arithmetic number, because the mean of its divisors is an integer number (537729705).

Almost surely, 22031423313 is an apocalyptic number.

It is an amenable number.

2031423313 is a deficient number, since it is larger than the sum of its proper divisors (119495507).

2031423313 is a wasteful number, since it uses less digits than its factorization.

2031423313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119495506.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 2031423313 is about 45071.3136373902. The cubic root of 2031423313 is about 1266.4852729705.

Adding to 2031423313 its reverse (3133241302), we get a palindrome (5164664615).

The spelling of 2031423313 in words is "two billion, thirty-one million, four hundred twenty-three thousand, three hundred thirteen".

Divisors: 1 17 119495489 2031423313