1312410402 has 24 divisors (see below), whose sum is σ = 2844567180. Its totient is φ = 437314560.

The previous prime is 1312410361. The next prime is 1312410409. The reversal of 1312410402 is 2040142131.

It can be written as a sum of positive squares in 2 ways, for example, as 1311815961 + 594441 = 36219^2 + 771^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1312410409) 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, 46402 + ... + 69122.

Almost surely, 2^1312410402 is an apocalyptic number.

1312410402 is an abundant number, since it is smaller than the sum of its proper divisors (1532156778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312410402 is a wasteful number, since it uses less digits than its factorization.

1312410402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25938 (or 25935 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1312410402 is about 36227.2052744895. The cubic root of 1312410402 is about 1094.8548703634.

Adding to 1312410402 its reverse (2040142131), we get a palindrome (3352552533).

The spelling of 1312410402 in words is "one billion, three hundred twelve million, four hundred ten thousand, four hundred two".