203013131108 has 24 divisors (see below), whose sum is σ = 366934849848. Its totient is φ = 98227074816.

The previous prime is 203013131107. The next prime is 203013131131. The reversal of 203013131108 is 801131310302.

It can be written as a sum of positive squares in 4 ways, for example, as 50813274724 + 152199856384 = 225418^2 + 390128^2 .

It is not an unprimeable number, because it can be changed into a prime (203013131107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6543491 + ... + 6574442.

It is an arithmetic number, because the mean of its divisors is an integer number (15288952077).

Almost surely, 2^203013131108 is an apocalyptic number.

It is an amenable number.

203013131108 is a deficient number, since it is larger than the sum of its proper divisors (163921718740).

203013131108 is a wasteful number, since it uses less digits than its factorization.

203013131108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13118063 (or 13118061 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 203013131108 in words is "two hundred three billion, thirteen million, one hundred thirty-one thousand, one hundred eight".