203031221122301 has 32 divisors (see below), whose sum is σ = 251096135068800. Its totient is φ = 161398455828480.

The previous prime is 203031221122199. The next prime is 203031221122309. The reversal of 203031221122301 is 103221122130302.

It is a de Polignac number, because none of the positive numbers 2^k-203031221122301 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 (203031221122309) 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, 40589645 + ... + 45316461.

It is an arithmetic number, because the mean of its divisors is an integer number (7846754220900).

Almost surely, 2^{203031221122301} is an apocalyptic number.

It is an amenable number.

203031221122301 is a deficient number, since it is larger than the sum of its proper divisors (48064913946499).

203031221122301 is a wasteful number, since it uses less digits than its factorization.

203031221122301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742669.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 203031221122301 its reverse (103221122130302), we get a palindrome (306252343252603).

The spelling of 203031221122301 in words is "two hundred three trillion, thirty-one billion, two hundred twenty-one million, one hundred twenty-two thousand, three hundred one".