84510031311 has 12 divisors (see below), whose sum is σ = 122123450592. Its totient is φ = 56315372256.

The previous prime is 84510031303. The next prime is 84510031351. The reversal of 84510031311 is 11313001548.

It is not a de Polignac number, because 84510031311 - 2³ = 84510031303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84510031351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2032326 + ... + 2073491.

It is an arithmetic number, because the mean of its divisors is an integer number (10176954216).

Almost surely, 2^84510031311 is an apocalyptic number.

84510031311 is a deficient number, since it is larger than the sum of its proper divisors (37613419281).

84510031311 is a wasteful number, since it uses less digits than its factorization.

84510031311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108110 (or 4108107 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 84510031311 its reverse (11313001548), we get a palindrome (95823032859).

The spelling of 84510031311 in words is "eighty-four billion, five hundred ten million, thirty-one thousand, three hundred eleven".