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31023110011 is a prime number
BaseRepresentation
bin11100111001000111…
…110001011101111011
32222002001110021110111
4130321013301131323
51002013404010021
622130220525151
72145532040605
oct347107613573
988061407414
1031023110011
111217a8117a3
1260196b07b7
132c0533413a
141704290175
15c188728e1
hex7391f177b

31023110011 has 2 divisors, whose sum is σ = 31023110012. Its totient is φ = 31023110010.

The previous prime is 31023109993. The next prime is 31023110017. The reversal of 31023110011 is 11001132013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31023110011 - 215 = 31023077243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31023109973 and 31023110000.

It is not a weakly prime, because it can be changed into another prime (31023110017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511555005 + 15511555006.

It is an arithmetic number, because the mean of its divisors is an integer number (15511555006).

Almost surely, 231023110011 is an apocalyptic number.

31023110011 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023110011 is an equidigital number, since it uses as much as digits as its factorization.

31023110011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 31023110011 its reverse (11001132013), we get a palindrome (42024242024).

It can be divided in two parts, 3102 and 3110011, that added together give a palindrome (3113113).

The spelling of 31023110011 in words is "thirty-one billion, twenty-three million, one hundred ten thousand, eleven".