1312030330 has 32 divisors (see below), whose sum is σ = 2545303824. Its totient is φ = 484064256.

The previous prime is 1312030297. The next prime is 1312030367. The reversal of 1312030330 is 330302131.

1312030330 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 835961569 + 476068761 = 28913^2 + 21819^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206562 + ... + 212818.

Almost surely, 2^1312030330 is an apocalyptic number.

1312030330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312030330 is a deficient number, since it is larger than the sum of its proper divisors (1233273494).

1312030330 is a wasteful number, since it uses less digits than its factorization.

1312030330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7890.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1312030330 is about 36221.9592236533. The cubic root of 1312030330 is about 1094.7491707398.

Adding to 1312030330 its reverse (330302131), we get a palindrome (1642332461).

The spelling of 1312030330 in words is "one billion, three hundred twelve million, thirty thousand, three hundred thirty".