1311301030 has 16 divisors (see below), whose sum is σ = 2541906864. Its totient is φ = 484172640.

The previous prime is 1311301027. The next prime is 1311301031. The reversal of 1311301030 is 301031131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 1311301030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311301031) 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, 5043336 + ... + 5043595.

It is an arithmetic number, because the mean of its divisors is an integer number (158869179).

Almost surely, 2^1311301030 is an apocalyptic number.

1311301030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311301030 is a deficient number, since it is larger than the sum of its proper divisors (1230605834).

1311301030 is a wasteful number, since it uses less digits than its factorization.

1311301030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10086951.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1311301030 is about 36211.8907266660. The cubic root of 1311301030 is about 1094.5462921606.

Adding to 1311301030 its reverse (301031131), we get a palindrome (1612332161).

The spelling of 1311301030 in words is "one billion, three hundred eleven million, three hundred one thousand, thirty".