203132230431040 has 112 divisors (see below), whose sum is σ = 498843172160784. Its totient is φ = 78728830156800.

The previous prime is 203132230430963. The next prime is 203132230431041. The reversal of 203132230431040 is 40134032231302.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 28972899491904 + 174159330939136 = 5382648^2 + 13196944^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203132230431041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32740831 + ... + 38447710.

Almost surely, 2^{203132230431040} is an apocalyptic number.

203132230431040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203132230431040 is an abundant number, since it is smaller than the sum of its proper divisors (295710941729744).

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

203132230431040 is a wasteful number, since it uses less digits than its factorization.

203132230431040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71188836 (or 71188826 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 203132230431040 its reverse (40134032231302), we get a palindrome (243266262662342).

The spelling of 203132230431040 in words is "two hundred three trillion, one hundred thirty-two billion, two hundred thirty million, four hundred thirty-one thousand, forty".