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3243131401 = 21115370291
BaseRepresentation
bin1100000101001110…
…0100001000001001
322101000112010220211
43001103210020021
523120220201101
61253451321121
7143240106406
oct30123441011
98330463824
103243131401
111414732694
127661501a1
133c8b90783
1422aa152ad
1513eabcc51
hexc14e4209

3243131401 has 4 divisors (see below), whose sum is σ = 3258501904. Its totient is φ = 3227760900.

The previous prime is 3243131387. The next prime is 3243131407. The reversal of 3243131401 is 1041313423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3243131401 - 27 = 3243131273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3243131407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7684935 + ... + 7685356.

It is an arithmetic number, because the mean of its divisors is an integer number (814625476).

Almost surely, 23243131401 is an apocalyptic number.

It is an amenable number.

3243131401 is a deficient number, since it is larger than the sum of its proper divisors (15370503).

3243131401 is a wasteful number, since it uses less digits than its factorization.

3243131401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15370502.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3243131401 is about 56948.4977940595. The cubic root of 3243131401 is about 1480.2038009157.

Adding to 3243131401 its reverse (1041313423), we get a palindrome (4284444824).

The spelling of 3243131401 in words is "three billion, two hundred forty-three million, one hundred thirty-one thousand, four hundred one".

Divisors: 1 211 15370291 3243131401