31350045043 has 2 divisors, whose sum is σ = 31350045044. Its totient is φ = 31350045042.

The previous prime is 31350045031. The next prime is 31350045047. The reversal of 31350045043 is 34054005313.

It is a strong prime.

It is an emirp because it is prime and its reverse (34054005313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31350045043 is a prime.

It is not a weakly prime, because it can be changed into another prime (31350045047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15675022521 + 15675022522.

It is an arithmetic number, because the mean of its divisors is an integer number (15675022522).

Almost surely, 2^31350045043 is an apocalyptic number.

31350045043 is a deficient number, since it is larger than the sum of its proper divisors (1).

31350045043 is an equidigital number, since it uses as much as digits as its factorization.

31350045043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 28.

The spelling of 31350045043 in words is "thirty-one billion, three hundred fifty million, forty-five thousand, forty-three".