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1031321341 = 13724373089
BaseRepresentation
bin111101011110001…
…011011011111101
32122212121112220201
4331132023123331
54103004240331
6250200443501
734362041521
oct7536133375
92585545821
101031321341
1148a176a96
12249479591
1313588571b
149ad81d81
156081ba61
hex3d78b6fd

1031321341 has 8 divisors (see below), whose sum is σ = 1039611960. Its totient is φ = 1023042048.

The previous prime is 1031321323. The next prime is 1031321351. The reversal of 1031321341 is 1431231301.

It can be written as a sum of positive squares in 4 ways, for example, as 687960441 + 343360900 = 26229^2 + 18530^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1031321341 - 25 = 1031321309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031321321) 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, 332325 + ... + 335413.

It is an arithmetic number, because the mean of its divisors is an integer number (129951495).

Almost surely, 21031321341 is an apocalyptic number.

It is an amenable number.

1031321341 is a deficient number, since it is larger than the sum of its proper divisors (8290619).

1031321341 is a wasteful number, since it uses less digits than its factorization.

1031321341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1031321341 is about 32114.1922053163. The cubic root of 1031321341 is about 1010.3333020813. Note that the first 4 decimals are identical.

Adding to 1031321341 its reverse (1431231301), we get a palindrome (2462552642).

The spelling of 1031321341 in words is "one billion, thirty-one million, three hundred twenty-one thousand, three hundred forty-one".

Divisors: 1 137 2437 3089 333869 423193 7527893 1031321341