1311101111302 has 4 divisors (see below), whose sum is σ = 1966651666956. Its totient is φ = 655550555650.

The previous prime is 1311101111269. The next prime is 1311101111303. The reversal of 1311101111302 is 2031111011131.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1311101111302² (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 (1311101111303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327775277824 + ... + 327775277827.

It is an arithmetic number, because the mean of its divisors is an integer number (491662916739).

Almost surely, 2^{1311101111302} is an apocalyptic number.

1311101111302 is a deficient number, since it is larger than the sum of its proper divisors (655550555654).

1311101111302 is an equidigital number, since it uses as much as digits as its factorization.

1311101111302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655550555653.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1311101111302 its reverse (2031111011131), we get a palindrome (3342212122433).

The spelling of 1311101111302 in words is "one trillion, three hundred eleven billion, one hundred one million, one hundred eleven thousand, three hundred two".