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2243342431221 = 31913915082777
BaseRepresentation
bin100000101001010001101…
…000001111001111110101
321221110110101120011121220
4200221101220033033311
5243223331130244341
64434324405500553
7321035055020223
oct40512150171765
97843411504556
102243342431221
1179543a356081
12302936a11759
13133714253448
147a815001b13
153d54b5bda66
hex20a51a0f3f5

2243342431221 has 8 divisors (see below), whose sum is σ = 3006783573504. Its totient is φ = 1487731454880.

The previous prime is 2243342431201. The next prime is 2243342431259. The reversal of 2243342431221 is 1221342433422.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2243342431221 - 214 = 2243342414837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243342431201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957540816 + ... + 1957541961.

It is an arithmetic number, because the mean of its divisors is an integer number (375847946688).

Almost surely, 22243342431221 is an apocalyptic number.

It is an amenable number.

2243342431221 is a deficient number, since it is larger than the sum of its proper divisors (763441142283).

2243342431221 is a wasteful number, since it uses less digits than its factorization.

2243342431221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3915082971.

The product of its digits is 55296, while the sum is 33.

Adding to 2243342431221 its reverse (1221342433422), we get a palindrome (3464684864643).

The spelling of 2243342431221 in words is "two trillion, two hundred forty-three billion, three hundred forty-two million, four hundred thirty-one thousand, two hundred twenty-one".

Divisors: 1 3 191 573 3915082777 11745248331 747780810407 2243342431221