1311265431301 has 8 divisors (see below), whose sum is σ = 1499313386880. Its totient is φ = 1123398556368.

The previous prime is 1311265431283. The next prime is 1311265431323. The reversal of 1311265431301 is 1031345621131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311265431301 - 2¹⁵ = 1311265398533 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 (1311265431401) 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, 45254641 + ... + 45283606.

It is an arithmetic number, because the mean of its divisors is an integer number (187414173360).

Almost surely, 2^{1311265431301} is an apocalyptic number.

It is an amenable number.

1311265431301 is a deficient number, since it is larger than the sum of its proper divisors (188047955579).

1311265431301 is an equidigital number, since it uses as much as digits as its factorization.

1311265431301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90540323.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 1311265431301 in words is "one trillion, three hundred eleven billion, two hundred sixty-five million, four hundred thirty-one thousand, three hundred one".