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1030112311 = 5032047937
BaseRepresentation
bin111101011001100…
…100010000110111
32122210100010102211
4331121210100313
54102202043221
6250114514251
734345544614
oct7531442067
92583303384
101030112311
11489520698
12248b95987
13135551317
149ab4950b
156067d6e1
hex3d664437

1030112311 has 4 divisors (see below), whose sum is σ = 1032160752. Its totient is φ = 1028063872.

The previous prime is 1030112287. The next prime is 1030112327. The reversal of 1030112311 is 1132110301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1030112311 - 29 = 1030111799 is a prime.

It is a super-2 number, since 2×10301123112 = 2122262746547521442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030112291 and 1030112300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030112711) 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, 1023466 + ... + 1024471.

It is an arithmetic number, because the mean of its divisors is an integer number (258040188).

Almost surely, 21030112311 is an apocalyptic number.

1030112311 is a deficient number, since it is larger than the sum of its proper divisors (2048441).

1030112311 is an equidigital number, since it uses as much as digits as its factorization.

1030112311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048440.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1030112311 is about 32095.3627647360. The cubic root of 1030112311 is about 1009.9383392086.

Adding to 1030112311 its reverse (1132110301), we get a palindrome (2162222612).

The spelling of 1030112311 in words is "one billion, thirty million, one hundred twelve thousand, three hundred eleven".

Divisors: 1 503 2047937 1030112311