160319531 has 2 divisors, whose sum is σ = 160319532. Its totient is φ = 160319530.

The previous prime is 160319513. The next prime is 160319629. The reversal of 160319531 is 135913061.

Together with previous prime (160319513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 160319531 - 2¹⁴ = 160303147 is a prime.

It is a super-2 number, since 2×160319531² = 51404704040119922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 160319494 and 160319503.

It is not a weakly prime, because it can be changed into another prime (160312531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80159765 + 80159766.

It is an arithmetic number, because the mean of its divisors is an integer number (80159766).

Almost surely, 2^160319531 is an apocalyptic number.

160319531 is the 5663-rd centered decagonal number.

160319531 is a deficient number, since it is larger than the sum of its proper divisors (1).

160319531 is an equidigital number, since it uses as much as digits as its factorization.

160319531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 160319531 is about 12661.7349127203. The cubic root of 160319531 is about 543.2446749171.

The spelling of 160319531 in words is "one hundred sixty million, three hundred nineteen thousand, five hundred thirty-one".