1312001319 has 8 divisors (see below), whose sum is σ = 1841405440. Its totient is φ = 828632376.

The previous prime is 1312001309. The next prime is 1312001321. The reversal of 1312001319 is 9131002131.

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

It is not a de Polignac number, because 1312001319 - 2¹² = 1311997223 is a prime.

It is a super-2 number, since 2×1312001319² = 3442694922115479522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312001295 and 1312001304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312001309) 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, 11508727 + ... + 11508840.

It is an arithmetic number, because the mean of its divisors is an integer number (230175680).

Almost surely, 2^1312001319 is an apocalyptic number.

1312001319 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1312001319 is a deficient number, since it is larger than the sum of its proper divisors (529404121).

1312001319 is a wasteful number, since it uses less digits than its factorization.

1312001319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23017589.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1312001319 is about 36221.5587599430. The cubic root of 1312001319 is about 1094.7411018201.

The spelling of 1312001319 in words is "one billion, three hundred twelve million, one thousand, three hundred nineteen".