1311012012354 has 32 divisors (see below), whose sum is σ = 2888710551360. Its totient is φ = 393342936000.

The previous prime is 1311012012353. The next prime is 1311012012377. The reversal of 1311012012354 is 4532102101131.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1311012012353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98329069 + ... + 98342400.

It is an arithmetic number, because the mean of its divisors is an integer number (90272204730).

Almost surely, 2^{1311012012354} is an apocalyptic number.

1311012012354 is an abundant number, since it is smaller than the sum of its proper divisors (1577698539006).

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

1311012012354 is a wasteful number, since it uses less digits than its factorization.

1311012012354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196671586.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 1311012012354 its reverse (4532102101131), we get a palindrome (5843114113485).

The spelling of 1311012012354 in words is "one trillion, three hundred eleven billion, twelve million, twelve thousand, three hundred fifty-four".