Search a number
-
+
30213130300231 = 46764696210493
BaseRepresentation
bin1101101111010100010101…
…11001100010101101000111
310221222100100222221210202111
412313222022321202231013
512430002442324101411
6144131415341121451
76235553351142004
oct667521271425507
9127870328853674
1030213130300231
11969935344414a
12347b610259287
1313b2116b22438
147664752348ab
15375da5d3c721
hex1b7a8ae62b47

30213130300231 has 4 divisors (see below), whose sum is σ = 30277826511192. Its totient is φ = 30148434089272.

The previous prime is 30213130300183. The next prime is 30213130300237. The reversal of 30213130300231 is 13200303131203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30213130300231 is a prime.

It is a super-2 number, since 2×302131303002312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30213130300237) 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, 32348104780 + ... + 32348105713.

It is an arithmetic number, because the mean of its divisors is an integer number (7569456627798).

Almost surely, 230213130300231 is an apocalyptic number.

30213130300231 is a deficient number, since it is larger than the sum of its proper divisors (64696210961).

30213130300231 is an equidigital number, since it uses as much as digits as its factorization.

30213130300231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64696210960.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 30213130300231 its reverse (13200303131203), we get a palindrome (43413433431434).

The spelling of 30213130300231 in words is "thirty trillion, two hundred thirteen billion, one hundred thirty million, three hundred thousand, two hundred thirty-one".

Divisors: 1 467 64696210493 30213130300231