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31300012230202 = 2119583713087073
BaseRepresentation
bin1110001110111100110100…
…00111000100011000111010
311002211020210200001120101201
413013132122013010120322
513100304411112331302
6150323005505004414
76410231324126302
oct707363207043072
9132736720046351
1031300012230202
119a78295a06a51
12361619a92370a
131460769c293a1
147a2d003da602
153942b9d17c87
hex1c779a1c463a

31300012230202 has 8 divisors (see below), whose sum is σ = 46950061194036. Its totient is φ = 15649991832192.

The previous prime is 31300012230199. The next prime is 31300012230233. The reversal of 31300012230202 is 20203221000313.

It can be written as a sum of positive squares in 2 ways, for example, as 25872980729401 + 5427031500801 = 5086549^2 + 2329599^2 .

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

It is a super-2 number, since 2×313000122302022 (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31300012230202.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4151863 + ... + 8935210.

Almost surely, 231300012230202 is an apocalyptic number.

31300012230202 is a deficient number, since it is larger than the sum of its proper divisors (15650048963834).

31300012230202 is a wasteful number, since it uses less digits than its factorization.

31300012230202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14282912.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31300012230202 its reverse (20203221000313), we get a palindrome (51503233230515).

The spelling of 31300012230202 in words is "thirty-one trillion, three hundred billion, twelve million, two hundred thirty thousand, two hundred two".

Divisors: 1 2 1195837 2391674 13087073 26174146 15650006115101 31300012230202