1312330312402 has 8 divisors (see below), whose sum is σ = 1972273772412. Its totient is φ = 654905721600.

The previous prime is 1312330312367. The next prime is 1312330312411. The reversal of 1312330312402 is 2042130332131.

It can be written as a sum of positive squares in 2 ways, for example, as 1305532474801 + 6797837601 = 1142599^2 + 82449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629715999 + ... + 629718082.

Almost surely, 2^{1312330312402} is an apocalyptic number.

1312330312402 is a deficient number, since it is larger than the sum of its proper divisors (659943460010).

1312330312402 is a wasteful number, since it uses less digits than its factorization.

1312330312402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259434604.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1312330312402 its reverse (2042130332131), we get a palindrome (3354460644533).

The spelling of 1312330312402 in words is "one trillion, three hundred twelve billion, three hundred thirty million, three hundred twelve thousand, four hundred two".