1311102021310 has 16 divisors (see below), whose sum is σ = 2360020961376. Its totient is φ = 524432514528.

The previous prime is 1311102021247. The next prime is 1311102021337. The reversal of 1311102021310 is 131202011131.

It is a happy number.

It is a super-2 number, since 2×1311102021310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351237 + ... + 1656976.

It is an arithmetic number, because the mean of its divisors is an integer number (147501310086).

Almost surely, 2^{1311102021310} is an apocalyptic number.

1311102021310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311102021310 is a deficient number, since it is larger than the sum of its proper divisors (1048918940066).

1311102021310 is a wasteful number, since it uses less digits than its factorization.

1311102021310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073507.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1311102021310 its reverse (131202011131), we get a palindrome (1442304032441).

The spelling of 1311102021310 in words is "one trillion, three hundred eleven billion, one hundred two million, twenty-one thousand, three hundred ten".