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31013442302423 = 72718914470337
BaseRepresentation
bin1110000110100111000010…
…01101100011000111010111
311001210212010010011220021212
413003103201031203013113
513031111012212134143
6145543213444532035
76350435004002300
oct703234115430727
9131725103156255
1031013442302423
1199777aa72a799
12358a7430b101b
13143c72a60c899
147930b6bb57a7
1538bae670e918
hex1c34e13631d7

31013442302423 has 12 divisors (see below), whose sum is σ = 36584986267152. Its totient is φ = 26208542787840.

The previous prime is 31013442302357. The next prime is 31013442302443. The reversal of 31013442302423 is 32420324431013.

It is not a de Polignac number, because 31013442302423 - 214 = 31013442286039 is a prime.

It is a super-4 number, since 4×310134423024234 (a number of 55 digits) contains 4444 as substring.

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 31013442302423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013442302443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4457231690 + ... + 4457238647.

It is an arithmetic number, because the mean of its divisors is an integer number (3048748855596).

Almost surely, 231013442302423 is an apocalyptic number.

31013442302423 is a deficient number, since it is larger than the sum of its proper divisors (5571543964729).

31013442302423 is an equidigital number, since it uses as much as digits as its factorization.

31013442302423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8914470422 (or 8914470415 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 31013442302423 its reverse (32420324431013), we get a palindrome (63433766733436).

The spelling of 31013442302423 in words is "thirty-one trillion, thirteen billion, four hundred forty-two million, three hundred two thousand, four hundred twenty-three".

Divisors: 1 7 49 71 497 3479 8914470337 62401292359 436809046513 632927393927 4430491757489 31013442302423