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1031321411 = 9661106751
BaseRepresentation
bin111101011110001…
…011011101000011
32122212121120000022
4331132023131003
54103004241121
6250200444055
734362041651
oct7536133503
92585546008
101031321411
1148a17704a
1224947962b
13135885773
149ad81dd1
156081baab
hex3d78b743

1031321411 has 4 divisors (see below), whose sum is σ = 1031437824. Its totient is φ = 1031205000.

The previous prime is 1031321383. The next prime is 1031321429. The reversal of 1031321411 is 1141231301.

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 1031321411 - 222 = 1027127107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1031321411.

It is not an unprimeable number, because it can be changed into a prime (1031321491) 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, 43715 + ... + 63036.

It is an arithmetic number, because the mean of its divisors is an integer number (257859456).

Almost surely, 21031321411 is an apocalyptic number.

1031321411 is a deficient number, since it is larger than the sum of its proper divisors (116413).

1031321411 is an equidigital number, since it uses as much as digits as its factorization.

1031321411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116412.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1031321411 is about 32114.1932951771. The cubic root of 1031321411 is about 1010.3333249398. Note that the first 4 decimals are identical.

Adding to 1031321411 its reverse (1141231301), we get a palindrome (2172552712).

The spelling of 1031321411 in words is "one billion, thirty-one million, three hundred twenty-one thousand, four hundred eleven".

Divisors: 1 9661 106751 1031321411