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31323102003133 = 172374368123467
BaseRepresentation
bin1110001111100111110100…
…10111100011111110111101
311002220110101211112120021221
413013303322113203332331
513101144203103100013
6150341345010553341
76412006445014453
oct707637227437675
9132813354476257
1031323102003133
119a87064542116
12361a763598851
1314629a978b015
147a4090bb69d3
15394bbbe5c08d
hex1c7cfa5e3fbd

31323102003133 has 24 divisors (see below), whose sum is σ = 34968048618272. Its totient is φ = 28016729121024.

The previous prime is 31323102003077. The next prime is 31323102003139. The reversal of 31323102003133 is 33130020132313.

It is not a de Polignac number, because 31323102003133 - 217 = 31323101872061 is a prime.

It is a super-2 number, since 2×313231020031332 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31323102003098 and 31323102003107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31323102003139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33601935 + ... + 34521532.

Almost surely, 231323102003133 is an apocalyptic number.

It is an amenable number.

31323102003133 is a deficient number, since it is larger than the sum of its proper divisors (3644946615139).

31323102003133 is a wasteful number, since it uses less digits than its factorization.

31323102003133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68123581 (or 68123564 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 31323102003133 its reverse (33130020132313), we get a palindrome (64453122135446).

The spelling of 31323102003133 in words is "thirty-one trillion, three hundred twenty-three billion, one hundred two million, three thousand, one hundred thirty-three".

Divisors: 1 17 37 43 289 629 731 1591 10693 12427 27047 459799 68123467 1158098939 2520568279 2929309081 19687681963 42849660743 49798254377 108384435997 728444232631 846570324409 1842535411949 31323102003133