1312040230 has 32 divisors (see below), whose sum is σ = 2437620480. Its totient is φ = 508205280.

The previous prime is 1312040189. The next prime is 1312040273. The reversal of 1312040230 is 320402131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22935 + ... + 56125.

It is an arithmetic number, because the mean of its divisors is an integer number (76175640).

Almost surely, 2^1312040230 is an apocalyptic number.

1312040230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312040230 is a deficient number, since it is larger than the sum of its proper divisors (1125580250).

1312040230 is a wasteful number, since it uses less digits than its factorization.

1312040230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33324.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1312040230 is about 36222.0958808294. The cubic root of 1312040230 is about 1094.7519242304.

Adding to 1312040230 its reverse (320402131), we get a palindrome (1632442361).

The spelling of 1312040230 in words is "one billion, three hundred twelve million, forty thousand, two hundred thirty".