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3131116356 = 2231663156901
BaseRepresentation
bin1011101010100001…
…0000101101000100
322002012202012011110
42322220100231010
522403031210411
61234410405020
7140410023054
oct27250205504
98065665143
103131116356
111367485075
12734730770
133ab901194
14219bb7564
15134d432a6
hexbaa10b44

3131116356 has 24 divisors (see below), whose sum is σ = 7310377984. Its totient is φ = 1043071200.

The previous prime is 3131116333. The next prime is 3131116357. The reversal of 3131116356 is 6536111313.

It is not an unprimeable number, because it can be changed into a prime (3131116357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58495 + ... + 98406.

Almost surely, 23131116356 is an apocalyptic number.

It is an amenable number.

3131116356 is an abundant number, since it is smaller than the sum of its proper divisors (4179261628).

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

3131116356 is a wasteful number, since it uses less digits than its factorization.

3131116356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158571 (or 158569 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 3131116356 is about 55956.3790465395. The cubic root of 3131116356 is about 1462.9620786086.

Adding to 3131116356 its reverse (6536111313), we get a palindrome (9667227669).

The spelling of 3131116356 in words is "three billion, one hundred thirty-one million, one hundred sixteen thousand, three hundred fifty-six".

Divisors: 1 2 3 4 6 12 1663 3326 4989 6652 9978 19956 156901 313802 470703 627604 941406 1882812 260926363 521852726 782779089 1043705452 1565558178 3131116356