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2823997131 = 32313777459
BaseRepresentation
bin1010100001010010…
…1100011011001011
321021210211220210100
42220110230123023
521240420402011
61144120020443
7126660402534
oct25024543313
97253756710
102823997131
11121a08892a
12669901723
133600acb27
141cb0ad68b
15117dc9d56
hexa852c6cb

2823997131 has 6 divisors (see below), whose sum is σ = 4079106980. Its totient is φ = 1882664748.

The previous prime is 2823997129. The next prime is 2823997153. The reversal of 2823997131 is 1317993282.

It is not a de Polignac number, because 2823997131 - 21 = 2823997129 is a prime.

It is a super-2 number, since 2×28239971312 = 15949919591792462322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2823997831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156888721 + ... + 156888738.

Almost surely, 22823997131 is an apocalyptic number.

2823997131 is a deficient number, since it is larger than the sum of its proper divisors (1255109849).

2823997131 is a wasteful number, since it uses less digits than its factorization.

2823997131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313777465 (or 313777462 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 2823997131 is about 53141.2940282790. The cubic root of 2823997131 is about 1413.4748442780.

The spelling of 2823997131 in words is "two billion, eight hundred twenty-three million, nine hundred ninety-seven thousand, one hundred thirty-one".

Divisors: 1 3 9 313777459 941332377 2823997131