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3141131020 = 225157056551
BaseRepresentation
bin1011101100111001…
…1101101100001100
322002220120222200221
42323032131230030
522413112143040
61235405201124
7140561113246
oct27316355414
98086528627
103141131020
1113720a5255
12737b601a4
133b09c9611
1421b263096
15135b7074a
hexbb39db0c

3141131020 has 12 divisors (see below), whose sum is σ = 6596375184. Its totient is φ = 1256452400.

The previous prime is 3141131009. The next prime is 3141131029. The reversal of 3141131020 is 201311413.

It is a junction number, because it is equal to n+sod(n) for n = 3141130985 and 3141131003.

It is not an unprimeable number, because it can be changed into a prime (3141131029) 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, 78528256 + ... + 78528295.

It is an arithmetic number, because the mean of its divisors is an integer number (549697932).

Almost surely, 23141131020 is an apocalyptic number.

It is an amenable number.

3141131020 is an abundant number, since it is smaller than the sum of its proper divisors (3455244164).

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

3141131020 is a wasteful number, since it uses less digits than its factorization.

3141131020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157056560 (or 157056558 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 3141131020 is about 56045.7939545868. The cubic root of 3141131020 is about 1464.5201470991.

Adding to 3141131020 its reverse (201311413), we get a palindrome (3342442433).

The spelling of 3141131020 in words is "three billion, one hundred forty-one million, one hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 157056551 314113102 628226204 785282755 1570565510 3141131020