1311003134 has 12 divisors (see below), whose sum is σ = 2287566864. Its totient is φ = 561858444.

The previous prime is 1311003119. The next prime is 1311003139. The reversal of 1311003134 is 4313001131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311003139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6688694 + ... + 6688889.

It is an arithmetic number, because the mean of its divisors is an integer number (190630572).

Almost surely, 2^1311003134 is an apocalyptic number.

1311003134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1311003134 is a deficient number, since it is larger than the sum of its proper divisors (976563730).

1311003134 is a wasteful number, since it uses less digits than its factorization.

1311003134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13377599 (or 13377592 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1311003134 is about 36207.7772584841. Note that the first 3 decimals coincide. The cubic root of 1311003134 is about 1094.4634010346.

Adding to 1311003134 its reverse (4313001131), we get a palindrome (5624004265).

The spelling of 1311003134 in words is "one billion, three hundred eleven million, three thousand, one hundred thirty-four".