1203133231 has 8 divisors (see below), whose sum is σ = 1297942704. Its totient is φ = 1110994560.

The previous prime is 1203133207. The next prime is 1203133259. The reversal of 1203133231 is 1323313021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1203133231 - 2⁵ = 1203133199 is a prime.

It is a super-2 number, since 2×1203133231² = 2895059143072998722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203133199 and 1203133208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203133831) 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 in 7 ways as a sum of consecutive naturals, for example, 666765 + ... + 668566.

It is an arithmetic number, because the mean of its divisors is an integer number (162242838).

Almost surely, 2^1203133231 is an apocalyptic number.

1203133231 is a deficient number, since it is larger than the sum of its proper divisors (94809473).

1203133231 is a wasteful number, since it uses less digits than its factorization.

1203133231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335401.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1203133231 is about 34686.2109634362. The cubic root of 1203133231 is about 1063.5826417150.

Adding to 1203133231 its reverse (1323313021), we get a palindrome (2526446252).

The spelling of 1203133231 in words is "one billion, two hundred three million, one hundred thirty-three thousand, two hundred thirty-one".