Search a number
-
+
31003030334 = 282039188953
BaseRepresentation
bin11100110111111011…
…001011001100111110
32222000122200010022202
4130313323023030332
51001443233432314
622124222311502
72145166260353
oct346773131476
988018603282
1031003030334
111216a447621
126012a28592
132c01123683
14170174462a
15c16c080de
hex737ecb33e

31003030334 has 8 divisors (see below), whose sum is σ = 46505358480. Its totient is φ = 15501244176.

The previous prime is 31003030313. The next prime is 31003030351. The reversal of 31003030334 is 43303030013.

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

It is a super-2 number, since 2×310030303342 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69602 + ... + 258554.

It is an arithmetic number, because the mean of its divisors is an integer number (5813169810).

Almost surely, 231003030334 is an apocalyptic number.

31003030334 is a deficient number, since it is larger than the sum of its proper divisors (15502328146).

31003030334 is a wasteful number, since it uses less digits than its factorization.

31003030334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270994.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 31003030334 its reverse (43303030013), we get a palindrome (74306060347).

The spelling of 31003030334 in words is "thirty-one billion, three million, thirty thousand, three hundred thirty-four".

Divisors: 1 2 82039 164078 188953 377906 15501515167 31003030334