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31302123233133 = 330103346611337
BaseRepresentation
bin1110001111000000101111…
…11011111001111101101101
311002211110020210021122000110
413013200113323321331231
513100323222021430013
6150323555155050233
76410334536300634
oct707402773717555
9132743223248013
1031302123233133
119a7917957a775
1236166898a0979
131460a1539a44c
147a306090c51b
153943903052c3
hex1c7817ef9f6d

31302123233133 has 8 divisors (see below), whose sum is σ = 41737550876608. Its totient is φ = 20867388872544.

The previous prime is 31302123233119. The next prime is 31302123233239. The reversal of 31302123233133 is 33133232120313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 31302123233133 - 212 = 31302123229037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31302123233133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31302123233113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173215360 + ... + 173395977.

It is an arithmetic number, because the mean of its divisors is an integer number (5217193859576).

Almost surely, 231302123233133 is an apocalyptic number.

It is an amenable number.

31302123233133 is a deficient number, since it is larger than the sum of its proper divisors (10435427643475).

31302123233133 is a wasteful number, since it uses less digits than its factorization.

31302123233133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346641443.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 31302123233133 its reverse (33133232120313), we get a palindrome (64435355353446).

The spelling of 31302123233133 in words is "thirty-one trillion, three hundred two billion, one hundred twenty-three million, two hundred thirty-three thousand, one hundred thirty-three".

Divisors: 1 3 30103 90309 346611337 1039834011 10434041077711 31302123233133