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1031434020 = 223351910063
BaseRepresentation
bin111101011110100…
…110111100100100
32122212211021111000
4331132212330210
54103021342040
6250203113300
734363021161
oct7536467444
92585737430
101031434020
1148a243711
12249512830
131358c4ab6
149adb1068
1560840130
hex3d7a6f24

1031434020 has 48 divisors (see below), whose sum is σ = 3208907520. Its totient is φ = 275048928.

The previous prime is 1031434003. The next prime is 1031434031. The reversal of 1031434020 is 204341301.

1031434020 is a `hidden beast` number, since 10 + 314 + 340 + 2 + 0 = 666.

It is a super-2 number, since 2×10314340202 = 2127712275226720800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1031433984 and 1031434002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954492 + ... + 955571.

It is an arithmetic number, because the mean of its divisors is an integer number (66852240).

Almost surely, 21031434020 is an apocalyptic number.

1031434020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1031434020 is an abundant number, since it is smaller than the sum of its proper divisors (2177473500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031434020 is a wasteful number, since it uses less digits than its factorization.

1031434020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910081 (or 1910073 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1031434020 is about 32115.9465063697. The cubic root of 1031434020 is about 1010.3700960451.

Adding to 1031434020 its reverse (204341301), we get a palindrome (1235775321).

The spelling of 1031434020 in words is "one billion, thirty-one million, four hundred thirty-four thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 1910063 3820126 5730189 7640252 9550315 11460378 17190567 19100630 22920756 28650945 34381134 38201260 51571701 57301890 68762268 85952835 103143402 114603780 171905670 206286804 257858505 343811340 515717010 1031434020