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1030013311 = 6779719289
BaseRepresentation
bin111101011001001…
…100000101111111
32122210011002122011
4331121030011333
54102140411221
6250112432051
734344653155
oct7531140577
92583132564
101030013311
11489463278
12248b48627
13135518242
149ab213d5
156065e1e1
hex3d64c17f

1030013311 has 8 divisors (see below), whose sum is σ = 1046752560. Its totient is φ = 1013314368.

The previous prime is 1030013293. The next prime is 1030013321. The reversal of 1030013311 is 1133100301.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1030013311 - 211 = 1030011263 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1030013291 and 1030013300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030013321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43755 + ... + 63043.

It is an arithmetic number, because the mean of its divisors is an integer number (130844070).

Almost surely, 21030013311 is an apocalyptic number.

1030013311 is a deficient number, since it is larger than the sum of its proper divisors (16739249).

1030013311 is an equidigital number, since it uses as much as digits as its factorization.

1030013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20153.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1030013311 is about 32093.8204488029. The cubic root of 1030013311 is about 1009.9059844521.

Adding to 1030013311 its reverse (1133100301), we get a palindrome (2163113612).

The spelling of 1030013311 in words is "one billion, thirty million, thirteen thousand, three hundred eleven".

Divisors: 1 67 797 19289 53399 1292363 15373333 1030013311