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3020013231 = 32287440171
BaseRepresentation
bin1011010000000001…
…1011111010101111
321210110200120022220
42310000123322233
522141110410411
61215401210423
7134560455204
oct26400337257
97713616286
103020013231
11130a79a704
12703490a13
133918a09a1
14209135cab
1512a1e8b06
hexb401beaf

3020013231 has 8 divisors (see below), whose sum is σ = 4028454144. Its totient is φ = 2012457240.

The previous prime is 3020013209. The next prime is 3020013239. The reversal of 3020013231 is 1323100203.

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

It is not a de Polignac number, because 3020013231 - 26 = 3020013167 is a prime.

It is a super-2 number, since 2×30200132312 = 18240959830830118722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3020013231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020013239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213225 + ... + 226946.

It is an arithmetic number, because the mean of its divisors is an integer number (503556768).

Almost surely, 23020013231 is an apocalyptic number.

3020013231 is a deficient number, since it is larger than the sum of its proper divisors (1008440913).

3020013231 is a wasteful number, since it uses less digits than its factorization.

3020013231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442461.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3020013231 is about 54954.6470373525. The cubic root of 3020013231 is about 1445.4495842870.

Adding to 3020013231 its reverse (1323100203), we get a palindrome (4343113434).

The spelling of 3020013231 in words is "three billion, twenty million, thirteen thousand, two hundred thirty-one".

Divisors: 1 3 2287 6861 440171 1320513 1006671077 3020013231