1311111312310 has 8 divisors (see below), whose sum is σ = 2360000362176. Its totient is φ = 524444524920.

The previous prime is 1311111312257. The next prime is 1311111312349. The reversal of 1311111312310 is 132131111131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1311111312310² (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 3 ways as a sum of consecutive naturals, for example, 65555565606 + ... + 65555565625.

It is an arithmetic number, because the mean of its divisors is an integer number (295000045272).

Almost surely, 2^{1311111312310} is an apocalyptic number.

1311111312310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311111312310 is a deficient number, since it is larger than the sum of its proper divisors (1048889049866).

1311111312310 is a wasteful number, since it uses less digits than its factorization.

1311111312310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131111131238.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 1311111312310 its reverse (132131111131), we get a palindrome (1443242423441).

The spelling of 1311111312310 in words is "one trillion, three hundred eleven billion, one hundred eleven million, three hundred twelve thousand, three hundred ten".