Search a number
-
+
103023030231 = 321119281919429
BaseRepresentation
bin101111111110010100…
…1101010111111010111
3100211220212000012010100
41133330221222333113
53141442343431411
6115154513025143
710305002210502
oct1377451527727
9324825005110
10103023030231
113a7678a64a0
1217b722551b3
13993abc8724
144db4740139
152a2e82c456
hex17fca6afd7

103023030231 has 48 divisors (see below), whose sum is σ = 170952912000. Its totient is φ = 59127952320.

The previous prime is 103023030191. The next prime is 103023030247. The reversal of 103023030231 is 132030320301.

103023030231 is a `hidden beast` number, since 1 + 0 + 302 + 30 + 302 + 31 = 666.

It is not a de Polignac number, because 103023030231 - 211 = 103023028183 is a prime.

It is a super-2 number, since 2×1030230302312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103023030631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5292825 + ... + 5312253.

It is an arithmetic number, because the mean of its divisors is an integer number (3561519000).

Almost surely, 2103023030231 is an apocalyptic number.

103023030231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

103023030231 is a deficient number, since it is larger than the sum of its proper divisors (67929881769).

103023030231 is a wasteful number, since it uses less digits than its factorization.

103023030231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22284 (or 22281 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 103023030231 its reverse (132030320301), we get a palindrome (235053350532).

The spelling of 103023030231 in words is "one hundred three billion, twenty-three million, thirty thousand, two hundred thirty-one".

Divisors: 1 3 9 11 19 33 57 99 171 209 627 1881 2819 8457 19429 25371 31009 53561 58287 93027 160683 174861 213719 279081 369151 482049 589171 641157 1107453 1767513 1923471 3322359 4060661 5302539 12181983 36545949 54770351 164311053 492933159 602473861 1040636669 1807421583 3121910007 5422264749 9365730021 11447003359 34341010077 103023030231