1601113303 has 8 divisors (see below), whose sum is σ = 1631340800. Its totient is φ = 1571134968.

The previous prime is 1601113301. The next prime is 1601113313. The reversal of 1601113303 is 3033111061.

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 1601113303 - 2¹ = 1601113301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601113301) 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, 49293 + ... + 75046.

It is an arithmetic number, because the mean of its divisors is an integer number (203917600).

Almost surely, 2^1601113303 is an apocalyptic number.

1601113303 is a deficient number, since it is larger than the sum of its proper divisors (30227497).

1601113303 is a wasteful number, since it uses less digits than its factorization.

1601113303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124581.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1601113303 is about 40013.9138675536. The cubic root of 1601113303 is about 1169.8783088668.

Adding to 1601113303 its reverse (3033111061), we get a palindrome (4634224364).

The spelling of 1601113303 in words is "one billion, six hundred one million, one hundred thirteen thousand, three hundred three".