1312344304 has 40 divisors (see below), whose sum is σ = 2677641120. Its totient is φ = 621865728.

The previous prime is 1312344263. The next prime is 1312344347. The reversal of 1312344304 is 4034432131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23754 + ... + 56470.

It is an arithmetic number, because the mean of its divisors is an integer number (66941028).

Almost surely, 2^1312344304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312344304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338820560).

1312344304 is an abundant number, since it is smaller than the sum of its proper divisors (1365296816).

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

1312344304 is a wasteful number, since it uses less digits than its factorization.

1312344304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32857 (or 32851 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1312344304 is about 36226.2929927974. The cubic root of 1312344304 is about 1094.8364896973.

Adding to 1312344304 its reverse (4034432131), we get a palindrome (5346776435).

The spelling of 1312344304 in words is "one billion, three hundred twelve million, three hundred forty-four thousand, three hundred four".