203143109796 has 81 divisors (see below), whose sum is σ = 564508985313. Its totient is φ = 61549503840.

The previous prime is 203143109779. The next prime is 203143109839. The reversal of 203143109796 is 697901341302.

The square root of 203143109796 is 450714.

It is a perfect power (a square), and thus also a powerful number.

203143109796 is a `hidden beast` number, since 203 + 1 + 431 + 0 + 9 + 7 + 9 + 6 = 666.

203143109796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 110166903396 + 92976206400 = 331914^2 + 304920^2 .

It is a super-2 number, since 2×203143109796² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 29743710 + ... + 29750538.

Almost surely, 2^203143109796 is an apocalyptic number.

203143109796 is the 450714-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203143109796

203143109796 is an abundant number, since it is smaller than the sum of its proper divisors (361365875517).

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

203143109796 is an equidigital number, since it uses as much as digits as its factorization.

203143109796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13690 (or 6845 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 203143109796 in words is "two hundred three billion, one hundred forty-three million, one hundred nine thousand, seven hundred ninety-six".