10203023313 has 48 divisors (see below), whose sum is σ = 17742524800. Its totient is φ = 5519404800.

The previous prime is 10203023309. The next prime is 10203023357. The reversal of 10203023313 is 31332030201.

10203023313 is a `hidden beast` number, since 10 + 20 + 302 + 331 + 3 = 666.

It is not a de Polignac number, because 10203023313 - 2² = 10203023309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10203023713) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2426613 + ... + 2430813.

Almost surely, 2^10203023313 is an apocalyptic number.

It is an amenable number.

10203023313 is a deficient number, since it is larger than the sum of its proper divisors (7539501487).

10203023313 is a wasteful number, since it uses less digits than its factorization.

10203023313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262 (or 6259 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 10203023313 its reverse (31332030201), we get a palindrome (41535053514).

The spelling of 10203023313 in words is "ten billion, two hundred three million, twenty-three thousand, three hundred thirteen".