160531313 has 4 divisors (see below), whose sum is σ = 160660080. Its totient is φ = 160402548.

The previous prime is 160531309. The next prime is 160531331. The reversal of 160531313 is 313135061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 160531313 - 2² = 160531309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160531333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62495 + ... + 65012.

It is an arithmetic number, because the mean of its divisors is an integer number (40165020).

Almost surely, 2^160531313 is an apocalyptic number.

It is an amenable number.

160531313 is a deficient number, since it is larger than the sum of its proper divisors (128767).

160531313 is a wasteful number, since it uses less digits than its factorization.

160531313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128766.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 160531313 is about 12670.0952245830. The cubic root of 160531313 is about 543.4837782880.

Adding to 160531313 its reverse (313135061), we get a palindrome (473666374).

The spelling of 160531313 in words is "one hundred sixty million, five hundred thirty-one thousand, three hundred thirteen".