1312504302311 has 4 divisors (see below), whose sum is σ = 1313116765632. Its totient is φ = 1311891838992.

The previous prime is 1312504302253. The next prime is 1312504302349. The reversal of 1312504302311 is 1132034052131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312504302311 - 2¹⁸ = 1312504040167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312504302611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306228446 + ... + 306232731.

It is an arithmetic number, because the mean of its divisors is an integer number (328279191408).

Almost surely, 2^{1312504302311} is an apocalyptic number.

1312504302311 is a deficient number, since it is larger than the sum of its proper divisors (612463321).

1312504302311 is an equidigital number, since it uses as much as digits as its factorization.

1312504302311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612463320.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 1312504302311 its reverse (1132034052131), we get a palindrome (2444538354442).

The spelling of 1312504302311 in words is "one trillion, three hundred twelve billion, five hundred four million, three hundred two thousand, three hundred eleven".