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311322201130 = 2531132220113
BaseRepresentation
bin1001000011111000011…
…11111100110000101010
31002202120120122102211201
410201330033330300222
520100041440414010
6355004111114414
731330566022153
oct4417417746052
91082516572751
10311322201130
111100382a2616
1250405212a0a
13234857282c5
14110d4b2492a
15817169523a
hex487c3fcc2a

311322201130 has 8 divisors (see below), whose sum is σ = 560379962052. Its totient is φ = 124528880448.

The previous prime is 311322201103. The next prime is 311322201137. The reversal of 311322201130 is 31102223113.

It can be written as a sum of positive squares in 2 ways, for example, as 282321132921 + 29001068209 = 531339^2 + 170297^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 311322201098 and 311322201107.

It is not an unprimeable number, because it can be changed into a prime (311322201137) 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, 15566110047 + ... + 15566110066.

Almost surely, 2311322201130 is an apocalyptic number.

311322201130 is a deficient number, since it is larger than the sum of its proper divisors (249057760922).

311322201130 is a wasteful number, since it uses less digits than its factorization.

311322201130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31132220120.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 311322201130 its reverse (31102223113), we get a palindrome (342424424243).

The spelling of 311322201130 in words is "three hundred eleven billion, three hundred twenty-two million, two hundred one thousand, one hundred thirty".

Divisors: 1 2 5 10 31132220113 62264440226 155661100565 311322201130