Search a number
-
+
30232313103031 = 132325562546387
BaseRepresentation
bin1101101111111000000100…
…10010001000001010110111
310222001011212212210011012021
412313330002102020022313
512430311234123244111
6144144311035134011
76240132621235534
oct667740222101267
9128034785704167
1030232313103031
1196a64a7656886
1234832845a4307
1313b3b83105720
14767374b95d8b
15376629e85d71
hex1b7f024882b7

30232313103031 has 4 divisors (see below), whose sum is σ = 32557875649432. Its totient is φ = 27906750556632.

The previous prime is 30232313103011. The next prime is 30232313103043. The reversal of 30232313103031 is 13030131323203.

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

It is a cyclic number.

It is not a de Polignac number, because 30232313103031 - 213 = 30232313094839 is a prime.

It is a super-2 number, since 2×302323131030312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30232313102987 and 30232313103005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30232313103011) 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, 1162781273181 + ... + 1162781273206.

It is an arithmetic number, because the mean of its divisors is an integer number (8139468912358).

Almost surely, 230232313103031 is an apocalyptic number.

30232313103031 is a deficient number, since it is larger than the sum of its proper divisors (2325562546401).

30232313103031 is a wasteful number, since it uses less digits than its factorization.

30232313103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325562546400.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 30232313103031 its reverse (13030131323203), we get a palindrome (43262444426234).

The spelling of 30232313103031 in words is "thirty trillion, two hundred thirty-two billion, three hundred thirteen million, one hundred three thousand, thirty-one".

Divisors: 1 13 2325562546387 30232313103031