1311302134 has 8 divisors (see below), whose sum is σ = 1969691040. Its totient is φ = 654738456.

The previous prime is 1311302129. The next prime is 1311302141. The reversal of 1311302134 is 4312031131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454509 + ... + 457384.

It is an arithmetic number, because the mean of its divisors is an integer number (246211380).

Almost surely, 2^1311302134 is an apocalyptic number.

1311302134 is a deficient number, since it is larger than the sum of its proper divisors (658388906).

1311302134 is an equidigital number, since it uses as much as digits as its factorization.

1311302134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912614.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1311302134 is about 36211.9059702745. The cubic root of 1311302134 is about 1094.5465993310.

Adding to 1311302134 its reverse (4312031131), we get a palindrome (5623333265).

The spelling of 1311302134 in words is "one billion, three hundred eleven million, three hundred two thousand, one hundred thirty-four".