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1031242341 = 3343747447
BaseRepresentation
bin111101011101111…
…000001001100101
32122212110112112210
4331131320021211
54102444223331
6250155034033
734361262303
oct7535701145
92585415483
101031242341
1148a1226a8
1224943b919
1313585878c
149ad61273
1560803446
hex3d778265

1031242341 has 4 divisors (see below), whose sum is σ = 1374989792. Its totient is φ = 687494892.

The previous prime is 1031242339. The next prime is 1031242357. The reversal of 1031242341 is 1432421301.

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 not a de Polignac number, because 1031242341 - 21 = 1031242339 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 (1031242361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171873721 + ... + 171873726.

It is an arithmetic number, because the mean of its divisors is an integer number (343747448).

Almost surely, 21031242341 is an apocalyptic number.

It is an amenable number.

1031242341 is a deficient number, since it is larger than the sum of its proper divisors (343747451).

1031242341 is an equidigital number, since it uses as much as digits as its factorization.

1031242341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343747450.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1031242341 is about 32112.9621959731. The cubic root of 1031242341 is about 1010.3075039892.

Adding to 1031242341 its reverse (1432421301), we get a palindrome (2463663642).

The spelling of 1031242341 in words is "one billion, thirty-one million, two hundred forty-two thousand, three hundred forty-one".

Divisors: 1 3 343747447 1031242341