Search a number
-
+
30431013213102 = 2329333172905449
BaseRepresentation
bin1101110101101010001011…
…01110111001001110101110
310222202011202122002120221020
412322311011232321032232
512442040203340304402
6144415451532115010
76260365606301145
oct672650556711656
9128664678076836
1030431013213102
1197727a1695487
1234b5898905a66
1313c982b027a58
14772c2438475c
1537b8a923c8bc
hex1bad45bb93ae

30431013213102 has 16 divisors (see below), whose sum is σ = 60864101643600. Its totient is φ = 10143325201472.

The previous prime is 30431013213101. The next prime is 30431013213103. The reversal of 30431013213102 is 20131231013403.

It is an interprime number because it is at equal distance from previous prime (30431013213101) and next prime (30431013213103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30431013213101) 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, 86276727 + ... + 86628722.

It is an arithmetic number, because the mean of its divisors is an integer number (3804006352725).

Almost surely, 230431013213102 is an apocalyptic number.

30431013213102 is an abundant number, since it is smaller than the sum of its proper divisors (30433088430498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30431013213102 is a wasteful number, since it uses less digits than its factorization.

30431013213102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172934787.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 30431013213102 its reverse (20131231013403), we get a palindrome (50562244226505).

The spelling of 30431013213102 in words is "thirty trillion, four hundred thirty-one billion, thirteen million, two hundred thirteen thousand, one hundred two".

Divisors: 1 2 3 6 29333 58666 87999 175998 172905449 345810898 518716347 1037432694 5071835535517 10143671071034 15215506606551 30431013213102