20313033103 has 8 divisors (see below), whose sum is σ = 22408658640. Its totient is φ = 18258905280.

The previous prime is 20313033101. The next prime is 20313033187. The reversal of 20313033103 is 30133031302.

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

It is not a de Polignac number, because 20313033103 - 2¹ = 20313033101 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 (20313033101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10373400 + ... + 10375357.

It is an arithmetic number, because the mean of its divisors is an integer number (2801082330).

Almost surely, 2^20313033103 is an apocalyptic number.

20313033103 is a deficient number, since it is larger than the sum of its proper divisors (2095625537).

20313033103 is a wasteful number, since it uses less digits than its factorization.

20313033103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20748857.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 20313033103 its reverse (30133031302), we get a palindrome (50446064405).

The spelling of 20313033103 in words is "twenty billion, three hundred thirteen million, thirty-three thousand, one hundred three".