162331313 has 2 divisors, whose sum is σ = 162331314. Its totient is φ = 162331312.

The previous prime is 162331297. The next prime is 162331363. The reversal of 162331313 is 313133261.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112105744 + 50225569 = 10588^2 + 7087^2 .

It is a cyclic number.

It is not a de Polignac number, because 162331313 - 2⁴ = 162331297 is a prime.

It is not a weakly prime, because it can be changed into another prime (162331363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81165656 + 81165657.

It is an arithmetic number, because the mean of its divisors is an integer number (81165657).

Almost surely, 2^162331313 is an apocalyptic number.

It is an amenable number.

162331313 is a deficient number, since it is larger than the sum of its proper divisors (1).

162331313 is an equidigital number, since it uses as much as digits as its factorization.

162331313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 23.

The square root of 162331313 is about 12740.9306175020. The cubic root of 162331313 is about 545.5075517537.

Adding to 162331313 its reverse (313133261), we get a palindrome (475464574).

The spelling of 162331313 in words is "one hundred sixty-two million, three hundred thirty-one thousand, three hundred thirteen".