1312354011 has 4 divisors (see below), whose sum is σ = 1749805352. Its totient is φ = 874902672.

The previous prime is 1312354007. The next prime is 1312354067. The reversal of 1312354011 is 1104532131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1104532131 = 3 ⋅368177377.

It is not a de Polignac number, because 1312354011 - 2² = 1312354007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312352011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218725666 + ... + 218725671.

It is an arithmetic number, because the mean of its divisors is an integer number (437451338).

Almost surely, 2^1312354011 is an apocalyptic number.

1312354011 is a deficient number, since it is larger than the sum of its proper divisors (437451341).

1312354011 is an equidigital number, since it uses as much as digits as its factorization.

1312354011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437451340.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1312354011 is about 36226.4269698241. The cubic root of 1312354011 is about 1094.8391890782.

Adding to 1312354011 its reverse (1104532131), we get a palindrome (2416886142).

The spelling of 1312354011 in words is "one billion, three hundred twelve million, three hundred fifty-four thousand, eleven".