1203312413 has 8 divisors (see below), whose sum is σ = 1276215936. Its totient is φ = 1132124400.

The previous prime is 1203312391. The next prime is 1203312433. The reversal of 1203312413 is 3142133021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1203312413 - 2⁶ = 1203312349 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 (1203312433) 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 7 ways as a sum of consecutive naturals, for example, 427433 + ... + 430238.

It is an arithmetic number, because the mean of its divisors is an integer number (159526992).

Almost surely, 2^1203312413 is an apocalyptic number.

It is an amenable number.

1203312413 is a deficient number, since it is larger than the sum of its proper divisors (72903523).

1203312413 is an equidigital number, since it uses as much as digits as its factorization.

1203312413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857755.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1203312413 is about 34688.7937668637. The cubic root of 1203312413 is about 1063.6354386954.

Adding to 1203312413 its reverse (3142133021), we get a palindrome (4345445434).

The spelling of 1203312413 in words is "one billion, two hundred three million, three hundred twelve thousand, four hundred thirteen".