1312303352546 has 12 divisors (see below), whose sum is σ = 2057761118742. Its totient is φ = 627623342016.

The previous prime is 1312303352537. The next prime is 1312303352551. The reversal of 1312303352546 is 6452533032131.

It can be written as a sum of positive squares in only one way, i.e., 1274020125625 + 38283226921 = 1128725^2 + 195661^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620180111 + ... + 620182226.

Almost surely, 2^{1312303352546} is an apocalyptic number.

1312303352546 is a deficient number, since it is larger than the sum of its proper divisors (745457766196).

1312303352546 is a wasteful number, since it uses less digits than its factorization.

1312303352546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240362385 (or 1240362362 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 1312303352546 its reverse (6452533032131), we get a palindrome (7764836384677).

The spelling of 1312303352546 in words is "one trillion, three hundred twelve billion, three hundred three million, three hundred fifty-two thousand, five hundred forty-six".