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31302010331113 = 151207298081663
BaseRepresentation
bin1110001111000000100010…
…01101001101111111101001
311002211102221220211121120011
413013200101031031333221
513100323004121043423
6150323540043131521
76410331665531344
oct707402115157751
9132742856747504
1031302010331113
119a79120876815
123616657b13ba1
1314609c7b8a212
147a304d91d45b
15394385452b0d
hex1c781134dfe9

31302010331113 has 4 divisors (see below), whose sum is σ = 31509308412928. Its totient is φ = 31094712249300.

The previous prime is 31302010331099. The next prime is 31302010331173. The reversal of 31302010331113 is 31113301020313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31302010331113 - 29 = 31302010330601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31302010331173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103649040681 + ... + 103649040982.

It is an arithmetic number, because the mean of its divisors is an integer number (7877327103232).

Almost surely, 231302010331113 is an apocalyptic number.

It is an amenable number.

31302010331113 is a deficient number, since it is larger than the sum of its proper divisors (207298081815).

31302010331113 is a wasteful number, since it uses less digits than its factorization.

31302010331113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207298081814.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31302010331113 its reverse (31113301020313), we get a palindrome (62415311351426).

The spelling of 31302010331113 in words is "thirty-one trillion, three hundred two billion, ten million, three hundred thirty-one thousand, one hundred thirteen".

Divisors: 1 151 207298081663 31302010331113