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31302013311130 = 253130201331113
BaseRepresentation
bin1110001111000000100010…
…11000100101100010011010
311002211102222010110000101011
413013200101120211202122
513100323010401424010
6150323540231044134
76410332033052422
oct707402130454232
9132742863400334
1031302013311130
119a79122521741
123616658b1064a
1314609c8691743
147a3050097482
15394385840a8a
hex1c781162589a

31302013311130 has 8 divisors (see below), whose sum is σ = 56343623960052. Its totient is φ = 12520805324448.

The previous prime is 31302013311103. The next prime is 31302013311137. The reversal of 31302013311130 is 3111331020313.

It can be written as a sum of positive squares in 2 ways, for example, as 29619293254321 + 1682720056809 = 5442361^2 + 1297197^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31302013311137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565100665547 + ... + 1565100665566.

Almost surely, 231302013311130 is an apocalyptic number.

31302013311130 is a deficient number, since it is larger than the sum of its proper divisors (25041610648922).

31302013311130 is a wasteful number, since it uses less digits than its factorization.

31302013311130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3130201331120.

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

Adding to 31302013311130 its reverse (3111331020313), we get a palindrome (34413344331443).

The spelling of 31302013311130 in words is "thirty-one trillion, three hundred two billion, thirteen million, three hundred eleven thousand, one hundred thirty".

Divisors: 1 2 5 10 3130201331113 6260402662226 15651006655565 31302013311130