203013021023013 has 8 divisors (see below), whose sum is σ = 275271892912800. Its totient is φ = 133048081574288.

The previous prime is 203013021022993. The next prime is 203013021023017. The reversal of 203013021023013 is 310320120310302.

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

It is a cyclic number.

It is not a de Polignac number, because 203013021023013 - 2⁶ = 203013021022949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203013021023017) 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, 573483110058 + ... + 573483110411.

It is an arithmetic number, because the mean of its divisors is an integer number (34408986614100).

Almost surely, 2^{203013021023013} is an apocalyptic number.

It is an amenable number.

203013021023013 is a deficient number, since it is larger than the sum of its proper divisors (72258871889787).

203013021023013 is a wasteful number, since it uses less digits than its factorization.

203013021023013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146966220531.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 203013021023013 its reverse (310320120310302), we get a palindrome (513333141333315).

The spelling of 203013021023013 in words is "two hundred three trillion, thirteen billion, twenty-one million, twenty-three thousand, thirteen".