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31023120041 is a prime number
BaseRepresentation
bin11100111001000111…
…110011111010101001
32222002001110210012222
4130321013303322221
51002013404320131
622130221043425
72145532112054
oct347107637251
988061423188
1031023120041
111217a819291
1260196b6575
132c05338884
141704293a9b
15c1887587b
hex7391f3ea9

31023120041 has 2 divisors, whose sum is σ = 31023120042. Its totient is φ = 31023120040.

The previous prime is 31023120019. The next prime is 31023120047. The reversal of 31023120041 is 14002132013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16144243600 + 14878876441 = 127060^2 + 121979^2 .

It is a cyclic number.

It is not a de Polignac number, because 31023120041 - 26 = 31023119977 is a prime.

It is not a weakly prime, because it can be changed into another prime (31023120047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15511560020 + 15511560021.

It is an arithmetic number, because the mean of its divisors is an integer number (15511560021).

Almost surely, 231023120041 is an apocalyptic number.

It is an amenable number.

31023120041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31023120041 is an equidigital number, since it uses as much as digits as its factorization.

31023120041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31023120041 its reverse (14002132013), we get a palindrome (45025252054).

The spelling of 31023120041 in words is "thirty-one billion, twenty-three million, one hundred twenty thousand, forty-one".