1311202040234 has 16 divisors (see below), whose sum is σ = 2054416938048. Its totient is φ = 626454747072.

The previous prime is 1311202040233. The next prime is 1311202040237. The reversal of 1311202040234 is 4320402021131.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1311202040233) 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, 14542772 + ... + 14632655.

It is an arithmetic number, because the mean of its divisors is an integer number (128401058628).

Almost surely, 2^{1311202040234} is an apocalyptic number.

1311202040234 is a deficient number, since it is larger than the sum of its proper divisors (743214897814).

1311202040234 is a wasteful number, since it uses less digits than its factorization.

1311202040234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29176429.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1311202040234 its reverse (4320402021131), we get a palindrome (5631604061365).

The spelling of 1311202040234 in words is "one trillion, three hundred eleven billion, two hundred two million, forty thousand, two hundred thirty-four".