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31320313103033 = 3113913967520411
BaseRepresentation
bin1110001111100010101000…
…01000110000001010111001
311002220012012110201202120122
413013301110020300022321
513101123000123244113
6150340204143103025
76411550361526413
oct707612410601271
9132805173652518
1031320313103033
119a859632561a9
12361a1055a1a75
131462653a49186
147a3ca86419b3
15394aa71b6408
hex1c7c542302b9

31320313103033 has 16 divisors (see below), whose sum is σ = 32565634375680. Its totient is φ = 30089710688400.

The previous prime is 31320313103011. The next prime is 31320313103039. The reversal of 31320313103033 is 33030131302313.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 31320313103033 - 214 = 31320313086649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31320313102993 and 31320313103011.

It is not an unprimeable number, because it can be changed into a prime (31320313103039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59923598 + ... + 60444008.

It is an arithmetic number, because the mean of its divisors is an integer number (2035352148480).

Almost surely, 231320313103033 is an apocalyptic number.

It is an amenable number.

31320313103033 is a deficient number, since it is larger than the sum of its proper divisors (1245321272647).

31320313103033 is a wasteful number, since it uses less digits than its factorization.

31320313103033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534548.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 31320313103033 its reverse (33030131302313), we get a palindrome (64350444405346).

The spelling of 31320313103033 in words is "thirty-one trillion, three hundred twenty billion, three hundred thirteen million, one hundred three thousand, thirty-three".

Divisors: 1 31 139 4309 13967 432977 520411 1941413 16132741 60183803 72337129 2242450999 7268580437 225325993547 1010332680743 31320313103033