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1021331324 = 221319640987
BaseRepresentation
bin111100111000000…
…100011101111100
32122011211000012002
4330320010131330
54042430100244
6245202401432
734211113226
oct7470043574
92564730162
101021331324
11484573382
12246060278
13133798580
1499901416
155e9e6a4e
hex3ce0477c

1021331324 has 12 divisors (see below), whose sum is σ = 1924816824. Its totient is φ = 471383664.

The previous prime is 1021331323. The next prime is 1021331341. The reversal of 1021331324 is 4231331201.

It is a super-3 number, since 3×10213313243 (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021331296 and 1021331305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021331323) 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, 9820442 + ... + 9820545.

It is an arithmetic number, because the mean of its divisors is an integer number (160401402).

Almost surely, 21021331324 is an apocalyptic number.

It is an amenable number.

1021331324 is a deficient number, since it is larger than the sum of its proper divisors (903485500).

1021331324 is a wasteful number, since it uses less digits than its factorization.

1021331324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19641004 (or 19641002 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1021331324 is about 31958.2747344096. The cubic root of 1021331324 is about 1007.0604737219.

Adding to 1021331324 its reverse (4231331201), we get a palindrome (5252662525).

The spelling of 1021331324 in words is "one billion, twenty-one million, three hundred thirty-one thousand, three hundred twenty-four".

Divisors: 1 2 4 13 26 52 19640987 39281974 78563948 255332831 510665662 1021331324