203030253252113 has 32 divisors (see below), whose sum is σ = 244125150490368. Its totient is φ = 165187949875200.

The previous prime is 203030253252109. The next prime is 203030253252143. The reversal of 203030253252113 is 311252352030302.

It is not a de Polignac number, because 203030253252113 - 2² = 203030253252109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203030253252113.

It is not an unprimeable number, because it can be changed into a prime (203030253252103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 394950458 + ... + 395464188.

It is an arithmetic number, because the mean of its divisors is an integer number (7628910952824).

Almost surely, 2^{203030253252113} is an apocalyptic number.

It is an amenable number.

203030253252113 is a deficient number, since it is larger than the sum of its proper divisors (41094897238255).

203030253252113 is a wasteful number, since it uses less digits than its factorization.

203030253252113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551033.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 203030253252113 in words is "two hundred three trillion, thirty billion, two hundred fifty-three million, two hundred fifty-two thousand, one hundred thirteen".