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1031133103 = 7111373103137
BaseRepresentation
bin111101011101011…
…101011110101111
32122212020222200221
4331131131132233
54102432224403
6250152432211
734360325650
oct7535353657
92585228627
101031133103
1148a058620
122493a8667
1313581ab40
149ad33527
15607d0dbd
hex3d75d7af

1031133103 has 64 divisors (see below), whose sum is σ = 1427392512. Its totient is φ = 719124480.

The previous prime is 1031133091. The next prime is 1031133107. The reversal of 1031133103 is 3013311301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1031133103 is a prime.

It is a super-2 number, since 2×10311331032 = 2126470952204817218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031133107) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7526451 + ... + 7526587.

It is an arithmetic number, because the mean of its divisors is an integer number (22303008).

Almost surely, 21031133103 is an apocalyptic number.

1031133103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1031133103 is a deficient number, since it is larger than the sum of its proper divisors (396259409).

1031133103 is a wasteful number, since it uses less digits than its factorization.

1031133103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 1031133103 is about 32111.2613112596. The cubic root of 1031133103 is about 1010.2718292618.

Adding to 1031133103 its reverse (3013311301), we get a palindrome (4044444404).

It can be divided in two parts, 10 and 31133103, that added together give a palindrome (31133113).

The spelling of 1031133103 in words is "one billion, thirty-one million, one hundred thirty-three thousand, one hundred three".

Divisors: 1 7 11 13 73 77 91 103 137 143 511 721 803 949 959 1001 1133 1339 1507 1781 5621 6643 7519 7931 9373 10001 10439 10549 12467 14111 14729 19591 52633 70007 73073 82709 97747 98777 103103 110011 130013 137137 155221 183443 578963 684229 770077 910091 1030103 1075217 1086547 1284101 1430143 2017873 7210721 7526519 10011001 11331133 13391339 14125111 79317931 93739373 147304729 1031133103