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103031231001 = 32938314512131
BaseRepresentation
bin101111111110100100…
…0111101001000011001
3100211221102102211110120
41133331020331020121
53142001443343001
6115155404503453
710305132004446
oct1377510751031
9324842384416
10103031231001
113a771497896
1217b74b4ab89
13993c80a35a
144db58769cd
152a303ec236
hex17fd23d219

103031231001 has 32 divisors (see below), whose sum is σ = 142648197120. Its totient is φ = 66069192000.

The previous prime is 103031230987. The next prime is 103031231041. The reversal of 103031231001 is 100132130301.

It is not a de Polignac number, because 103031231001 - 25 = 103031230969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103031231041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48347706 + ... + 48349836.

It is an arithmetic number, because the mean of its divisors is an integer number (4457756160).

Almost surely, 2103031231001 is an apocalyptic number.

It is an amenable number.

103031231001 is a deficient number, since it is larger than the sum of its proper divisors (39616966119).

103031231001 is a wasteful number, since it uses less digits than its factorization.

103031231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3997.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 103031231001 its reverse (100132130301), we get a palindrome (203163361302).

The spelling of 103031231001 in words is "one hundred three billion, thirty-one million, two hundred thirty-one thousand, one".

Divisors: 1 3 29 87 383 1149 1451 2131 4353 6393 11107 33321 42079 61799 126237 185397 555733 816173 1667199 2448519 3092081 9276243 16116257 23669017 48348771 71007051 89670349 269011047 1184267023 3552801069 34343743667 103031231001