1200313231 has 8 divisors (see below), whose sum is σ = 1310353520. Its totient is φ = 1092802752.

The previous prime is 1200313193. The next prime is 1200313321. The reversal of 1200313231 is 1323130021.

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 1200313231 - 2¹³ = 1200305039 is a prime.

It is a super-2 number, since 2×1200313231² = 2881503705027318722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200313931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631461 + ... + 633358.

It is an arithmetic number, because the mean of its divisors is an integer number (163794190).

Almost surely, 2^1200313231 is an apocalyptic number.

1200313231 is a deficient number, since it is larger than the sum of its proper divisors (110040289).

1200313231 is a wasteful number, since it uses less digits than its factorization.

1200313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264905.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1200313231 is about 34645.5369564393. The cubic root of 1200313231 is about 1062.7510215851.

Adding to 1200313231 its reverse (1323130021), we get a palindrome (2523443252).

The spelling of 1200313231 in words is "one billion, two hundred million, three hundred thirteen thousand, two hundred thirty-one".