203311332102313 has 4 divisors (see below), whose sum is σ = 203311362470800. Its totient is φ = 203311301733828.

The previous prime is 203311332102311. The next prime is 203311332102409. The reversal of 203311332102313 is 313201233113302.

It is a happy number.

203311332102313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 203311332102313 - 2¹ = 203311332102311 is a prime.

It is a super-2 number, since 2×203311332102313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203311332102311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238095 + ... + 20166292.

It is an arithmetic number, because the mean of its divisors is an integer number (50827840617700).

Almost surely, 2^{203311332102313} is an apocalyptic number.

It is an amenable number.

203311332102313 is a deficient number, since it is larger than the sum of its proper divisors (30368487).

203311332102313 is an equidigital number, since it uses as much as digits as its factorization.

203311332102313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30368486.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 203311332102313 its reverse (313201233113302), we get a palindrome (516512565215615).

The spelling of 203311332102313 in words is "two hundred three trillion, three hundred eleven billion, three hundred thirty-two million, one hundred two thousand, three hundred thirteen".