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2103023131 = 1117293747223
BaseRepresentation
bin111110101011001…
…1001011000011011
312102120012122101121
41331112121120123
513301333220011
6544403030111
7103054254526
oct17526313033
95376178347
102103023131
1198a113450
124a836b337
13276908bb1
1415d435bbd
15c4962e71
hex7d59961b

2103023131 has 64 divisors (see below), whose sum is σ = 2647572480. Its totient is φ = 1646991360.

The previous prime is 2103023123. The next prime is 2103023141. The reversal of 2103023131 is 1313203012.

It is not a de Polignac number, because 2103023131 - 23 = 2103023123 is a prime.

It is a super-2 number, since 2×21030231312 = 8845412579042086322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103023141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9430486 + ... + 9430708.

It is an arithmetic number, because the mean of its divisors is an integer number (41368320).

Almost surely, 22103023131 is an apocalyptic number.

2103023131 is a deficient number, since it is larger than the sum of its proper divisors (544549349).

2103023131 is a wasteful number, since it uses less digits than its factorization.

2103023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2103023131 is about 45858.7301503214. The cubic root of 2103023131 is about 1281.1933717078.

Adding to 2103023131 its reverse (1313203012), we get a palindrome (3416226143).

The spelling of 2103023131 in words is "two billion, one hundred three million, twenty-three thousand, one hundred thirty-one".

Divisors: 1 11 17 29 37 47 187 223 319 407 493 517 629 799 1073 1363 1739 2453 3791 5423 6467 6919 8251 8789 10481 11803 14993 18241 19129 23171 29563 41701 50431 71137 90761 109939 115291 140267 178177 200651 239279 254881 303949 325193 387797 554741 857327 1209329 1542937 1959947 2632069 3343439 4067743 4265767 5167133 6592549 9430597 11246113 44745173 56838463 72518039 123707243 191183921 2103023131