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103023020231 = 2941612575527
BaseRepresentation
bin101111111110010100…
…1101000100011000111
3100211220211222200101222
41133330221220203013
53141442343121411
6115154512510555
710305002136365
oct1377451504307
9324824880358
10103023020231
113a767899a2a
1217b7224b45b
13993abc4001
144db473a635
152a2e8294db
hex17fca688c7

103023020231 has 32 divisors (see below), whose sum is σ = 111416618880. Its totient is φ = 95064883200.

The previous prime is 103023020201. The next prime is 103023020251. The reversal of 103023020231 is 132020320301.

It is a cyclic number.

It is not a de Polignac number, because 103023020231 - 26 = 103023020167 is a prime.

It is a super-2 number, since 2×1030230202312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103023020201) 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, 18637190 + ... + 18642716.

It is an arithmetic number, because the mean of its divisors is an integer number (3481769340).

Almost surely, 2103023020231 is an apocalyptic number.

103023020231 is a deficient number, since it is larger than the sum of its proper divisors (8393598649).

103023020231 is a wasteful number, since it uses less digits than its factorization.

103023020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 103023020231 its reverse (132020320301), we get a palindrome (235043340532).

The spelling of 103023020231 in words is "one hundred three billion, twenty-three million, twenty thousand, two hundred thirty-one".

Divisors: 1 29 41 61 257 1189 1769 2501 5527 7453 10537 15677 72529 160283 226607 305573 337147 454633 642757 1420439 6571603 9777263 13823027 18639953 41192731 58237999 86646779 400867783 1688901971 2512756591 3552517939 103023020231