143161064461531 has 2 divisors, whose sum is σ = 143161064461532. Its totient is φ = 143161064461530.

The previous prime is 143161064461487. The next prime is 143161064461567. The reversal of 143161064461531 is 135164460161341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143161064461531 - 2²¹ = 143161062364379 is a prime.

It is a super-2 number, since 2×143161064461531² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (143161064461231) 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, 71580532230765 + 71580532230766.

It is an arithmetic number, because the mean of its divisors is an integer number (71580532230766).

Almost surely, 2^{143161064461531} is an apocalyptic number.

143161064461531 is a deficient number, since it is larger than the sum of its proper divisors (1).

143161064461531 is an equidigital number, since it uses as much as digits as its factorization.

143161064461531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 143161064461531 in words is "one hundred forty-three trillion, one hundred sixty-one billion, sixty-four million, four hundred sixty-one thousand, five hundred thirty-one".