1311131434 has 8 divisors (see below), whose sum is σ = 1966850820. Its totient is φ = 655514496.

The previous prime is 1311131389. The next prime is 1311131449. The reversal of 1311131434 is 4341311131.

It can be written as a sum of positive squares in 2 ways, for example, as 1210831209 + 100300225 = 34797^2 + 10015^2 .

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

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, 36922 + ... + 63130.

Almost surely, 2^1311131434 is an apocalyptic number.

1311131434 is a deficient number, since it is larger than the sum of its proper divisors (655719386).

1311131434 is a wasteful number, since it uses less digits than its factorization.

1311131434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51224.

The product of its digits is 432, while the sum is 22.

The square root of 1311131434 is about 36209.5489339483. The cubic root of 1311131434 is about 1094.4991027225.

Adding to 1311131434 its reverse (4341311131), we get a palindrome (5652442565).

The spelling of 1311131434 in words is "one billion, three hundred eleven million, one hundred thirty-one thousand, four hundred thirty-four".