1230320331 has 12 divisors (see below), whose sum is σ = 1838410080. Its totient is φ = 791930160.

The previous prime is 1230320327. The next prime is 1230320353. The reversal of 1230320331 is 1330230321.

1230320331 is a `hidden beast` number, since 12 + 3 + 0 + 320 + 331 = 666.

It is not a de Polignac number, because 1230320331 - 2² = 1230320327 is a prime.

It is a super-2 number, since 2×1230320331² = 3027376233743899122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230320321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2356675 + ... + 2357196.

It is an arithmetic number, because the mean of its divisors is an integer number (153200840).

Almost surely, 2^1230320331 is an apocalyptic number.

1230320331 is a deficient number, since it is larger than the sum of its proper divisors (608089749).

1230320331 is a wasteful number, since it uses less digits than its factorization.

1230320331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4713906 (or 4713903 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1230320331 is about 35075.9223827400. The cubic root of 1230320331 is about 1071.5342740439.

Adding to 1230320331 its reverse (1330230321), we get a palindrome (2560550652).

The spelling of 1230320331 in words is "one billion, two hundred thirty million, three hundred twenty thousand, three hundred thirty-one".