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3131112110011 is a prime number
BaseRepresentation
bin101101100100000100110…
…100110011011110111011
3102002022221120211120012121
4231210010310303132323
5402300004200010021
610354225115022111
7442133606542504
oct55440464633673
912068846746177
103131112110011
11aa7996181596
124269b713a937
13199354c354a2
14ab791d73bab
15566aa031741
hex2d904d337bb

3131112110011 has 2 divisors, whose sum is σ = 3131112110012. Its totient is φ = 3131112110010.

The previous prime is 3131112109969. The next prime is 3131112110023. The reversal of 3131112110011 is 1100112111313.

It is a strong prime.

It is an emirp because it is prime and its reverse (1100112111313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3131112110011 is a prime.

It is not a weakly prime, because it can be changed into another prime (3131112110081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565556055005 + 1565556055006.

It is an arithmetic number, because the mean of its divisors is an integer number (1565556055006).

Almost surely, 23131112110011 is an apocalyptic number.

3131112110011 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131112110011 is an equidigital number, since it uses as much as digits as its factorization.

3131112110011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 3131112110011 its reverse (1100112111313), we get a palindrome (4231224221324).

The spelling of 3131112110011 in words is "three trillion, one hundred thirty-one billion, one hundred twelve million, one hundred ten thousand, eleven".