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3131200330 = 25313120033
BaseRepresentation
bin1011101010100010…
…0101001101001010
322002012220110100121
42322220211031022
522403041402310
61234412253454
7140410522636
oct27250451512
98065813317
103131200330
111367532175
1273477128a
133ab93047b
14219bd9dc6
15134d5d0da
hexbaa2534a

3131200330 has 8 divisors (see below), whose sum is σ = 5636160612. Its totient is φ = 1252480128.

The previous prime is 3131200321. The next prime is 3131200337. The reversal of 3131200330 is 330021313.

It can be written as a sum of positive squares in 2 ways, for example, as 3119110801 + 12089529 = 55849^2 + 3477^2 .

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 (3131200337) 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, 156560007 + ... + 156560026.

Almost surely, 23131200330 is an apocalyptic number.

3131200330 is a deficient number, since it is larger than the sum of its proper divisors (2504960282).

3131200330 is a wasteful number, since it uses less digits than its factorization.

3131200330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313120040.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 3131200330 is about 55957.1293938494. The cubic root of 3131200330 is about 1462.9751569770.

Adding to 3131200330 its reverse (330021313), we get a palindrome (3461221643).

The spelling of 3131200330 in words is "three billion, one hundred thirty-one million, two hundred thousand, three hundred thirty".

Divisors: 1 2 5 10 313120033 626240066 1565600165 3131200330