1203431132 has 6 divisors (see below), whose sum is σ = 2106004488. Its totient is φ = 601715564.

The previous prime is 1203431123. The next prime is 1203431137. The reversal of 1203431132 is 2311343021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203431137) by changing a digit.

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 as a sum of consecutive naturals, namely, 150428888 + ... + 150428895.

It is an arithmetic number, because the mean of its divisors is an integer number (351000748).

Almost surely, 2^1203431132 is an apocalyptic number.

It is an amenable number.

1203431132 is a deficient number, since it is larger than the sum of its proper divisors (902573356).

1203431132 is a wasteful number, since it uses less digits than its factorization.

1203431132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300857787 (or 300857785 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1203431132 is about 34690.5049256998. The cubic root of 1203431132 is about 1063.6704170274.

Adding to 1203431132 its reverse (2311343021), we get a palindrome (3514774153).

The spelling of 1203431132 in words is "one billion, two hundred three million, four hundred thirty-one thousand, one hundred thirty-two".