203203120312030 has 32 divisors (see below), whose sum is σ = 371164310155296. Its totient is φ = 80088921268224.

The previous prime is 203203120312021. The next prime is 203203120312043. The reversal of 203203120312030 is 30213021302302.

It is a junction number, because it is equal to n+sod(n) for n = 203203120311992 and 203203120312010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461206579 + ... + 461646958.

It is an arithmetic number, because the mean of its divisors is an integer number (11598884692353).

Almost surely, 2^{203203120312030} is an apocalyptic number.

203203120312030 is a deficient number, since it is larger than the sum of its proper divisors (167961189843266).

203203120312030 is a wasteful number, since it uses less digits than its factorization.

203203120312030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922853868.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203203120312030 its reverse (30213021302302), we get a palindrome (233416141614332).

The spelling of 203203120312030 in words is "two hundred three trillion, two hundred three billion, one hundred twenty million, three hundred twelve thousand, thirty".