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331333130 = 25731373313
BaseRepresentation
bin10011101111111…
…011111000001010
3212002110110121102
4103233323320022
51134310130010
652513341402
711132166542
oct2357737012
9762413542
10331333130
11160035537
1292b67862
135384b80b
143200c322
151e14cba5
hex13bfbe0a

331333130 has 32 divisors (see below), whose sum is σ = 609166224. Its totient is φ = 129724416.

The previous prime is 331333129. The next prime is 331333133. The reversal of 331333130 is 31333133.

It can be written as a sum of positive squares in 8 ways, for example, as 248031001 + 83302129 = 15749^2 + 9127^2 .

It is not an unprimeable number, because it can be changed into a prime (331333133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98354 + ... + 101666.

Almost surely, 2331333130 is an apocalyptic number.

331333130 is a deficient number, since it is larger than the sum of its proper divisors (277833094).

331333130 is a wasteful number, since it uses less digits than its factorization.

331333130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530.

The product of its (nonzero) digits is 729, while the sum is 20.

The square root of 331333130 is about 18202.5583366734. The cubic root of 331333130 is about 691.9716275246.

Adding to 331333130 its reverse (31333133), we get a palindrome (362666263).

It can be divided in two parts, 33133 and 3130, that added together give a palindrome (36263).

The spelling of 331333130 in words is "three hundred thirty-one million, three hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 73 137 146 274 365 685 730 1370 3313 6626 10001 16565 20002 33130 50005 100010 241849 453881 483698 907762 1209245 2269405 2418490 4538810 33133313 66266626 165666565 331333130