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3131367066 = 2331032512243
BaseRepresentation
bin1011101010100100…
…1101111010011010
322002020012221002000
42322221031322122
522403112221231
61234420021430
7140412116022
oct27251157232
98066187060
103131367066
111367636473
12734831876
133ab98b329
14219c40a82
15134d926e6
hexbaa4de9a

3131367066 has 64 divisors (see below), whose sum is σ = 7057290240. Its totient is φ = 1029078000.

The previous prime is 3131367061. The next prime is 3131367073. The reversal of 3131367066 is 6607631313.

It is a self number, because there is not a number n which added to its sum of digits gives 3131367066.

It is not an unprimeable number, because it can be changed into a prime (3131367061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1394941 + ... + 1397183.

It is an arithmetic number, because the mean of its divisors is an integer number (110270160).

Almost surely, 23131367066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3131367066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3528645120).

3131367066 is an abundant number, since it is smaller than the sum of its proper divisors (3925923174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3131367066 is a wasteful number, since it uses less digits than its factorization.

3131367066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608 (or 2602 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 36.

The square root of 3131367066 is about 55958.6192288552. The cubic root of 3131367066 is about 1463.0011242601.

Adding to 3131367066 its reverse (6607631313), we get a palindrome (9738998379).

The spelling of 3131367066 in words is "three billion, one hundred thirty-one million, three hundred sixty-seven thousand, sixty-six".

Divisors: 1 2 3 6 9 18 27 54 103 206 251 309 502 618 753 927 1506 1854 2243 2259 2781 4486 4518 5562 6729 6777 13458 13554 20187 25853 40374 51706 60561 77559 121122 155118 231029 232677 462058 465354 562993 693087 698031 1125986 1386174 1396062 1688979 2079261 3377958 4158522 5066937 6237783 10133874 12475566 15200811 30401622 57988279 115976558 173964837 347929674 521894511 1043789022 1565683533 3131367066