1203011313 has 16 divisors (see below), whose sum is σ = 1834056576. Its totient is φ = 687098880.

The previous prime is 1203011287. The next prime is 1203011323. The reversal of 1203011313 is 3131103021.

It is not a de Polignac number, because 1203011313 - 2⁵ = 1203011281 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1203011292 and 1203011301.

It is not an unprimeable number, because it can be changed into a prime (1203011323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33745 + ... + 59537.

It is an arithmetic number, because the mean of its divisors is an integer number (114628536).

Almost surely, 2^1203011313 is an apocalyptic number.

It is an amenable number.

1203011313 is a deficient number, since it is larger than the sum of its proper divisors (631045263).

1203011313 is a wasteful number, since it uses less digits than its factorization.

1203011313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28024.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1203011313 is about 34684.4534770263. The cubic root of 1203011313 is about 1063.5467148962.

Adding to 1203011313 its reverse (3131103021), we get a palindrome (4334114334).

The spelling of 1203011313 in words is "one billion, two hundred three million, eleven thousand, three hundred thirteen".