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31304233240313 = 1173137437365071
BaseRepresentation
bin1110001111000100101011…
…01100111100011011111001
311002211122200211122002201112
413013202111230330123321
513100342032202142223
6150324544411530105
76410441040124235
oct707422554743371
9132748624562645
1031304233240313
119a7a061623360
123616b78459935
131460c905801c7
147a31c0c415c5
15394465697778
hex1c7895b3c6f9

31304233240313 has 32 divisors (see below), whose sum is σ = 34879077176832. Its totient is φ = 27856873036800.

The previous prime is 31304233240199. The next prime is 31304233240349.

31304233240313 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 31304233240313 - 226 = 31304166131449 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 31304233240313.

It is not an unprimeable number, because it can be changed into a prime (31304233248313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481045568 + ... + 481110638.

It is an arithmetic number, because the mean of its divisors is an integer number (1089971161776).

Almost surely, 231304233240313 is an apocalyptic number.

It is an amenable number.

31304233240313 is a deficient number, since it is larger than the sum of its proper divisors (3574843936519).

31304233240313 is a wasteful number, since it uses less digits than its factorization.

31304233240313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69665.

The product of its (nonzero) digits is 46656, while the sum is 32.

It can be divided in two parts, 3130423 and 3240313, that added together give a palindrome (6370736).

The spelling of 31304233240313 in words is "thirty-one trillion, three hundred four billion, two hundred thirty-three million, two hundred forty thousand, three hundred thirteen".

Divisors: 1 11 73 137 803 1507 4373 10001 48103 65071 110011 319229 599101 715781 3511519 4750183 6590111 8914727 43734373 52252013 98061997 284555483 481078103 650775071 3130110313 7158525781 20772550259 38984101171 228498052849 428825112881 2845839385483 31304233240313