1311101163234 has 48 divisors (see below), whose sum is σ = 2965702521600. Its totient is φ = 434100584880.

The previous prime is 1311101163217. The next prime is 1311101163287. The reversal of 1311101163234 is 4323611011131.

1311101163234 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 10 + 11 + 632 + 3 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1311101163198 and 1311101163207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8980402 + ... + 9125229.

It is an arithmetic number, because the mean of its divisors is an integer number (61785469200).

Almost surely, 2^{1311101163234} is an apocalyptic number.

1311101163234 is an abundant number, since it is smaller than the sum of its proper divisors (1654601358366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311101163234 is a wasteful number, since it uses less digits than its factorization.

1311101163234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18105797 (or 18105785 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

Adding to 1311101163234 its reverse (4323611011131), we get a palindrome (5634712174365).

The spelling of 1311101163234 in words is "one trillion, three hundred eleven billion, one hundred one million, one hundred sixty-three thousand, two hundred thirty-four".