1311341012 has 24 divisors (see below), whose sum is σ = 2433026400. Its totient is φ = 616687776.

The previous prime is 1311341011. The next prime is 1311341023. The reversal of 1311341012 is 2101431131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311341011) 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, 51503 + ... + 72630.

It is an arithmetic number, because the mean of its divisors is an integer number (101376100).

Almost surely, 2^1311341012 is an apocalyptic number.

It is an amenable number.

1311341012 is a deficient number, since it is larger than the sum of its proper divisors (1121685388).

1311341012 is a wasteful number, since it uses less digits than its factorization.

1311341012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124295 (or 124293 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1311341012 is about 36212.4427786914. The cubic root of 1311341012 is about 1094.5574164064.

Adding to 1311341012 its reverse (2101431131), we get a palindrome (3412772143).

The spelling of 1311341012 in words is "one billion, three hundred eleven million, three hundred forty-one thousand, twelve".