203155327030 has 16 divisors (see below), whose sum is σ = 366048607104. Its totient is φ = 81180126720.

The previous prime is 203155327021. The next prime is 203155327031. The reversal of 203155327030 is 30723551302.

It is a junction number, because it is equal to n+sod(n) for n = 203155326983 and 203155327001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203155327031) 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, 10240107 + ... + 10259926.

It is an arithmetic number, because the mean of its divisors is an integer number (22878037944).

Almost surely, 2^203155327030 is an apocalyptic number.

203155327030 is a deficient number, since it is larger than the sum of its proper divisors (162893280074).

203155327030 is a wasteful number, since it uses less digits than its factorization.

203155327030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20501031.

The product of its (nonzero) digits is 18900, while the sum is 31.

Adding to 203155327030 its reverse (30723551302), we get a palindrome (233878878332).

The spelling of 203155327030 in words is "two hundred three billion, one hundred fifty-five million, three hundred twenty-seven thousand, thirty".