11311310012 has 12 divisors (see below), whose sum is σ = 19795939800. Its totient is φ = 5655327216.

The previous prime is 11311309993. The next prime is 11311310099. The reversal of 11311310012 is 21001311311.

It is a happy 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, 6239 + ... + 150537.

It is an arithmetic number, because the mean of its divisors is an integer number (1649661650).

Almost surely, 2^11311310012 is an apocalyptic number.

It is an amenable number.

11311310012 is a deficient number, since it is larger than the sum of its proper divisors (8484629788).

11311310012 is a wasteful number, since it uses less digits than its factorization.

11311310012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163900 (or 163898 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11311310012 its reverse (21001311311), we get a palindrome (32312621323).

The spelling of 11311310012 in words is "eleven billion, three hundred eleven million, three hundred ten thousand, twelve".