1312331334 has 8 divisors (see below), whose sum is σ = 2624662680. Its totient is φ = 437443776.

The previous prime is 1312331329. The next prime is 1312331341. The reversal of 1312331334 is 4331332131.

It is a happy number.

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

1312331334 is an admirable number.

It is a congruent number.

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, 109360939 + ... + 109360950.

It is an arithmetic number, because the mean of its divisors is an integer number (328082835).

Almost surely, 2^1312331334 is an apocalyptic number.

1312331334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1312331334 is a wasteful number, since it uses less digits than its factorization.

1312331334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218721894.

The product of its digits is 1944, while the sum is 24.

The square root of 1312331334 is about 36226.1139787309. The cubic root of 1312331334 is about 1094.8328829009.

Adding to 1312331334 its reverse (4331332131), we get a palindrome (5643663465).

The spelling of 1312331334 in words is "one billion, three hundred twelve million, three hundred thirty-one thousand, three hundred thirty-four".