1311235134046 has 4 divisors (see below), whose sum is σ = 1966852701072. Its totient is φ = 655617567022.

The previous prime is 1311235133977. The next prime is 1311235134049. The reversal of 1311235134046 is 6404315321131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311235134049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327808783510 + ... + 327808783513.

It is an arithmetic number, because the mean of its divisors is an integer number (491713175268).

Almost surely, 2^{1311235134046} is an apocalyptic number.

1311235134046 is a deficient number, since it is larger than the sum of its proper divisors (655617567026).

1311235134046 is an equidigital number, since it uses as much as digits as its factorization.

1311235134046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655617567025.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 1311235134046 in words is "one trillion, three hundred eleven billion, two hundred thirty-five million, one hundred thirty-four thousand, forty-six".