203030231120 has 80 divisors (see below), whose sum is σ = 481632780672. Its totient is φ = 79576680960.

The previous prime is 203030231113. The next prime is 203030231231. The reversal of 203030231120 is 21132030302.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816194 + ... + 1035486.

Almost surely, 2^203030231120 is an apocalyptic number.

203030231120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203030231120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240816390336).

203030231120 is an abundant number, since it is smaller than the sum of its proper divisors (278602549552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203030231120 is a wasteful number, since it uses less digits than its factorization.

203030231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219540 (or 219534 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 203030231120 its reverse (21132030302), we get a palindrome (224162261422).

The spelling of 203030231120 in words is "two hundred three billion, thirty million, two hundred thirty-one thousand, one hundred twenty".