320113402 has 16 divisors (see below), whose sum is σ = 572625792. Its totient is φ = 131226480.

The previous prime is 320113393. The next prime is 320113411. The reversal of 320113402 is 204311023.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (320113393) and next prime (320113411).

It is a super-3 number, since 3×320113402³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496749 + ... + 497392.

It is an arithmetic number, because the mean of its divisors is an integer number (35789112).

Almost surely, 2^320113402 is an apocalyptic number.

320113402 is a deficient number, since it is larger than the sum of its proper divisors (252512390).

320113402 is a wasteful number, since it uses less digits than its factorization.

320113402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994173.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 320113402 is about 17891.7132214889. The cubic root of 320113402 is about 684.0711669166.

Adding to 320113402 its reverse (204311023), we get a palindrome (524424425).

The spelling of 320113402 in words is "three hundred twenty million, one hundred thirteen thousand, four hundred two".