203112131010 has 64 divisors (see below), whose sum is σ = 488443848192. Its totient is φ = 54055040256.

The previous prime is 203112130997. The next prime is 203112131039. The reversal of 203112131010 is 10131211302.

It is a happy number.

203112131010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 31 ways as a sum of consecutive naturals, for example, 57749772 + ... + 57753288.

It is an arithmetic number, because the mean of its divisors is an integer number (7631935128).

Almost surely, 2^203112131010 is an apocalyptic number.

203112131010 is an abundant number, since it is smaller than the sum of its proper divisors (285331717182).

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

203112131010 is a wasteful number, since it uses less digits than its factorization.

203112131010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 203112131010 its reverse (10131211302), we get a palindrome (213243342312).

The spelling of 203112131010 in words is "two hundred three billion, one hundred twelve million, one hundred thirty-one thousand, ten".