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30113313 = 383120937
BaseRepresentation
bin111001011011…
…1111000100001
32002122220200220
41302313320201
530202111223
62553233253
7513646626
oct162677041
962586626
1030113313
1115aa863a
12a102829
136314739
143ddc34d
15299c6e3
hex1cb7e21

30113313 has 8 divisors (see below), whose sum is σ = 40635168. Its totient is φ = 19833504.

The previous prime is 30113297. The next prime is 30113327. The reversal of 30113313 is 31331103.

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

It is not a de Polignac number, because 30113313 - 24 = 30113297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30113292 and 30113301.

It is not an unprimeable number, because it can be changed into a prime (30113333) 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, 60220 + ... + 60717.

It is an arithmetic number, because the mean of its divisors is an integer number (5079396).

Almost surely, 230113313 is an apocalyptic number.

It is an amenable number.

30113313 is a deficient number, since it is larger than the sum of its proper divisors (10521855).

30113313 is a wasteful number, since it uses less digits than its factorization.

30113313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121023.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 30113313 is about 5487.5598402204. The cubic root of 30113313 is about 311.1139700087.

Adding to 30113313 its reverse (31331103), we get a palindrome (61444416).

The spelling of 30113313 in words is "thirty million, one hundred thirteen thousand, three hundred thirteen".

Divisors: 1 3 83 249 120937 362811 10037771 30113313