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1031242234 = 211191245417
BaseRepresentation
bin111101011101111…
…000000111111010
32122212110112101211
4331131320013322
54102444222414
6250155033334
734361262061
oct7535700772
92585415354
101031242234
1148a122610
1224943b84a
13135858709
149ad611d8
15608033c4
hex3d7781fa

1031242234 has 16 divisors (see below), whose sum is σ = 1696329216. Its totient is φ = 466290400.

The previous prime is 1031242231. The next prime is 1031242259. The reversal of 1031242234 is 4322421301.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1031242231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118507 + ... + 126910.

It is an arithmetic number, because the mean of its divisors is an integer number (106020576).

Almost surely, 21031242234 is an apocalyptic number.

1031242234 is a deficient number, since it is larger than the sum of its proper divisors (665086982).

1031242234 is a wasteful number, since it uses less digits than its factorization.

1031242234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245621.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1031242234 is about 32112.9605299792. The cubic root of 1031242234 is about 1010.3074690466.

Adding to 1031242234 its reverse (4322421301), we get a palindrome (5353663535).

The spelling of 1031242234 in words is "one billion, thirty-one million, two hundred forty-two thousand, two hundred thirty-four".

Divisors: 1 2 11 22 191 382 2101 4202 245417 490834 2699587 5399174 46874647 93749294 515621117 1031242234