84313106531 has 2 divisors, whose sum is σ = 84313106532. Its totient is φ = 84313106530.

The previous prime is 84313106519. The next prime is 84313106611. The reversal of 84313106531 is 13560131348.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84313106531 - 2²² = 84308912227 is a prime.

It is a super-2 number, since 2×84313106531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 84313106491 and 84313106500.

It is not a weakly prime, because it can be changed into another prime (84313106131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42156553265 + 42156553266.

It is an arithmetic number, because the mean of its divisors is an integer number (42156553266).

Almost surely, 2^84313106531 is an apocalyptic number.

84313106531 is a deficient number, since it is larger than the sum of its proper divisors (1).

84313106531 is an equidigital number, since it uses as much as digits as its factorization.

84313106531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 35.

Adding to 84313106531 its reverse (13560131348), we get a palindrome (97873237879).

The spelling of 84313106531 in words is "eighty-four billion, three hundred thirteen million, one hundred six thousand, five hundred thirty-one".