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30013311 = 364315559
BaseRepresentation
bin111001001111…
…1011101111111
32002110211112010
41302133131333
530140411221
62551142303
7513052236
oct162373577
962424463
1030013311
1115a3a499
12a074993
1362ab073
143db3b1d
15297cc76
hex1c9f77f

30013311 has 8 divisors (see below), whose sum is σ = 40082560. Its totient is φ = 19976472.

The previous prime is 30013309. The next prime is 30013337. The reversal of 30013311 is 11331003.

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

It is not a de Polignac number, because 30013311 - 21 = 30013309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30013351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5851 + ... + 9708.

It is an arithmetic number, because the mean of its divisors is an integer number (5010320).

Almost surely, 230013311 is an apocalyptic number.

30013311 is a deficient number, since it is larger than the sum of its proper divisors (10069249).

30013311 is a wasteful number, since it uses less digits than its factorization.

30013311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16205.

The product of its (nonzero) digits is 27, while the sum is 12.

The square root of 30013311 is about 5478.4405627879. The cubic root of 30013311 is about 310.7691997689.

Adding to 30013311 its reverse (11331003), we get a palindrome (41344314).

The spelling of 30013311 in words is "thirty million, thirteen thousand, three hundred eleven".

Divisors: 1 3 643 1929 15559 46677 10004437 30013311