313125161 has 8 divisors (see below), whose sum is σ = 316243200. Its totient is φ = 310019760.

The previous prime is 313125157. The next prime is 313125173. The reversal of 313125161 is 161521313.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 313125161 - 2² = 313125157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (313125101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51176 + ... + 56966.

It is an arithmetic number, because the mean of its divisors is an integer number (39530400).

Almost surely, 2^313125161 is an apocalyptic number.

It is an amenable number.

313125161 is a deficient number, since it is larger than the sum of its proper divisors (3118039).

313125161 is a wasteful number, since it uses less digits than its factorization.

313125161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6319.

The product of its digits is 540, while the sum is 23.

The square root of 313125161 is about 17695.3429184065. The cubic root of 313125161 is about 679.0566222014.

Adding to 313125161 its reverse (161521313), we get a palindrome (474646474).

The spelling of 313125161 in words is "three hundred thirteen million, one hundred twenty-five thousand, one hundred sixty-one".