1311320043310 has 16 divisors (see below), whose sum is σ = 2390254257600. Its totient is φ = 517888421856.

The previous prime is 1311320043259. The next prime is 1311320043311. The reversal of 1311320043310 is 133400231131.

It is a super-2 number, since 2×1311320043310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311320043311) 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, 829948605 + ... + 829950184.

It is an arithmetic number, because the mean of its divisors is an integer number (149390891100).

Almost surely, 2^{1311320043310} is an apocalyptic number.

1311320043310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311320043310 is a deficient number, since it is larger than the sum of its proper divisors (1078934214290).

1311320043310 is a wasteful number, since it uses less digits than its factorization.

1311320043310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659898875.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1311320043310 its reverse (133400231131), we get a palindrome (1444720274441).

The spelling of 1311320043310 in words is "one trillion, three hundred eleven billion, three hundred twenty million, forty-three thousand, three hundred ten".