1203313345 has 8 divisors (see below), whose sum is σ = 1555051176. Its totient is φ = 888600576.

The previous prime is 1203313343. The next prime is 1203313351. The reversal of 1203313345 is 5433133021.

It can be written as a sum of positive squares in 4 ways, for example, as 36954241 + 1166359104 = 6079^2 + 34152^2 .

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 1203313345 - 2¹ = 1203313343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203313343) 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, 9256192 + ... + 9256321.

It is an arithmetic number, because the mean of its divisors is an integer number (194381397).

Almost surely, 2^1203313345 is an apocalyptic number.

It is an amenable number.

1203313345 is a deficient number, since it is larger than the sum of its proper divisors (351737831).

1203313345 is a wasteful number, since it uses less digits than its factorization.

1203313345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18512531.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 1203313345 is about 34688.8072005943. The cubic root of 1203313345 is about 1063.6357133007.

Adding to 1203313345 its reverse (5433133021), we get a palindrome (6636446366).

The spelling of 1203313345 in words is "one billion, two hundred three million, three hundred thirteen thousand, three hundred forty-five".