Search a number
-
+
1113310431 = 32123701159
BaseRepresentation
bin100001001011011…
…1100010011011111
32212120220000210200
41002112330103133
54240001413211
6302250034543
736405661002
oct10226742337
92776800720
101113310431
11521486672
12270a18a53
1314986128c
14a7c05539
1567b14b56
hex425bc4df

1113310431 has 6 divisors (see below), whose sum is σ = 1608115080. Its totient is φ = 742206948.

The previous prime is 1113310411. The next prime is 1113310441. The reversal of 1113310431 is 1340133111.

It is not a de Polignac number, because 1113310431 - 217 = 1113179359 is a prime.

It is a super-2 number, since 2×11133104312 = 2478920231546811522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113310411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61850571 + ... + 61850588.

It is an arithmetic number, because the mean of its divisors is an integer number (268019180).

Almost surely, 21113310431 is an apocalyptic number.

1113310431 is a deficient number, since it is larger than the sum of its proper divisors (494804649).

1113310431 is a wasteful number, since it uses less digits than its factorization.

1113310431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123701165 (or 123701162 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1113310431 is about 33366.3068229015. The cubic root of 1113310431 is about 1036.4270980802.

Adding to 1113310431 its reverse (1340133111), we get a palindrome (2453443542).

The spelling of 1113310431 in words is "one billion, one hundred thirteen million, three hundred ten thousand, four hundred thirty-one".

Divisors: 1 3 9 123701159 371103477 1113310431