1203131301 has 4 divisors (see below), whose sum is σ = 1604175072. Its totient is φ = 802087532.

The previous prime is 1203131299. The next prime is 1203131309. The reversal of 1203131301 is 1031313021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1203131301 - 2¹ = 1203131299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203131309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200521881 + ... + 200521886.

It is an arithmetic number, because the mean of its divisors is an integer number (401043768).

Almost surely, 2^1203131301 is an apocalyptic number.

It is an amenable number.

1203131301 is a deficient number, since it is larger than the sum of its proper divisors (401043771).

1203131301 is an equidigital number, since it uses as much as digits as its factorization.

1203131301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401043770.

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

The square root of 1203131301 is about 34686.1831425713. The cubic root of 1203131301 is about 1063.5820730011.

Adding to 1203131301 its reverse (1031313021), we get a palindrome (2234444322).

It can be divided in two parts, 1 and 203131301, that added together give a palindrome (203131302).

The spelling of 1203131301 in words is "one billion, two hundred three million, one hundred thirty-one thousand, three hundred one".