Search a number
-
+
31030030303330 = 253103003030333
BaseRepresentation
bin1110000111000101111011…
…11011110000000001100010
311001212102221011102122200211
413003202331323300001202
513031344000224201310
6145554555451204334
76351563035455052
oct703427573600142
9131772834378624
1031030030303330
119983842178353
1235919b24466aa
13144117214cc36
14793c0bc89562
1538c267b52c8a
hex1c38bdef0062

31030030303330 has 8 divisors (see below), whose sum is σ = 55854054546012. Its totient is φ = 12412012121328.

The previous prime is 31030030303301. The next prime is 31030030303333. The reversal of 31030030303330 is 3330303003013.

It can be written as a sum of positive squares in 2 ways, for example, as 31021101376281 + 8928927049 = 5569659^2 + 94493^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31030030303333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551501515157 + ... + 1551501515176.

Almost surely, 231030030303330 is an apocalyptic number.

31030030303330 is a deficient number, since it is larger than the sum of its proper divisors (24824024242682).

31030030303330 is a wasteful number, since it uses less digits than its factorization.

31030030303330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103003030340.

The product of its (nonzero) digits is 2187, while the sum is 22.

Adding to 31030030303330 its reverse (3330303003013), we get a palindrome (34360333306343).

The spelling of 31030030303330 in words is "thirty-one trillion, thirty billion, thirty million, three hundred three thousand, three hundred thirty".

Divisors: 1 2 5 10 3103003030333 6206006060666 15515015151665 31030030303330