1202231331 has 12 divisors (see below), whose sum is σ = 1984635952. Its totient is φ = 686989296.

The previous prime is 1202231293. The next prime is 1202231333. The reversal of 1202231331 is 1331322021.

It is not a de Polignac number, because 1202231331 - 2⁶ = 1202231267 is a prime.

It is a super-2 number, since 2×1202231331² = 2890720346476063122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202231333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9541456 + ... + 9541581.

Almost surely, 2^1202231331 is an apocalyptic number.

1202231331 is a deficient number, since it is larger than the sum of its proper divisors (782404621).

1202231331 is a wasteful number, since it uses less digits than its factorization.

1202231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19083050 (or 19083047 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1202231331 is about 34673.2076825897. The cubic root of 1202231331 is about 1063.3168121982.

Adding to 1202231331 its reverse (1331322021), we get a palindrome (2533553352).

The spelling of 1202231331 in words is "one billion, two hundred two million, two hundred thirty-one thousand, three hundred thirty-one".