812137931083 has 2 divisors, whose sum is σ = 812137931084. Its totient is φ = 812137931082.

The previous prime is 812137931071. The next prime is 812137931119. The reversal of 812137931083 is 380139731218.

812137931083 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 812137931083 - 2²¹ = 812135833931 is a prime.

It is not a weakly prime, because it can be changed into another prime (812137932083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406068965541 + 406068965542.

It is an arithmetic number, because the mean of its divisors is an integer number (406068965542).

Almost surely, 2^812137931083 is an apocalyptic number.

812137931083 is a deficient number, since it is larger than the sum of its proper divisors (1).

812137931083 is an equidigital number, since it uses as much as digits as its factorization.

812137931083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 812137931083 in words is "eight hundred twelve billion, one hundred thirty-seven million, nine hundred thirty-one thousand, eighty-three".