1316400304 has 40 divisors (see below), whose sum is σ = 2713473648. Its totient is φ = 616519680.

The previous prime is 1316400301. The next prime is 1316400307. The reversal of 1316400304 is 4030046131.

It is an interprime number because it is at equal distance from previous prime (1316400301) and next prime (1316400307).

It is not an unprimeable number, because it can be changed into a prime (1316400301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45924 + ... + 68860.

Almost surely, 2^1316400304 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 1316400304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1356736824).

1316400304 is an abundant number, since it is smaller than the sum of its proper divisors (1397073344).

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

1316400304 is a wasteful number, since it uses less digits than its factorization.

1316400304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23173 (or 23167 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1316400304 is about 36282.2312434062. The cubic root of 1316400304 is about 1095.9632493405.

Adding to 1316400304 its reverse (4030046131), we get a palindrome (5346446435).

The spelling of 1316400304 in words is "one billion, three hundred sixteen million, four hundred thousand, three hundred four".