1312320411 has 12 divisors (see below), whose sum is σ = 1897887888. Its totient is φ = 873812304.

The previous prime is 1312320349. The next prime is 1312320419. The reversal of 1312320411 is 1140232131.

It is not a de Polignac number, because 1312320411 - 2⁷ = 1312320283 is a prime.

It is a super-2 number, since 2×1312320411² = 3444369722254417842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312320419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81180 + ... + 95993.

It is an arithmetic number, because the mean of its divisors is an integer number (158157324).

Almost surely, 2^1312320411 is an apocalyptic number.

1312320411 is a deficient number, since it is larger than the sum of its proper divisors (585567477).

1312320411 is a wasteful number, since it uses less digits than its factorization.

1312320411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178002 (or 177999 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1312320411 is about 36225.9632170078. The cubic root of 1312320411 is about 1094.8298453314.

Adding to 1312320411 its reverse (1140232131), we get a palindrome (2452552542).

The spelling of 1312320411 in words is "one billion, three hundred twelve million, three hundred twenty thousand, four hundred eleven".