311434132 has 12 divisors (see below), whose sum is σ = 563803380. Its totient is φ = 150347456.

The previous prime is 311434129. The next prime is 311434163. The reversal of 311434132 is 231434113.

It can be written as a sum of positive squares in 2 ways, for example, as 255872016 + 55562116 = 15996^2 + 7454^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342273 + ... + 1342504.

It is an arithmetic number, because the mean of its divisors is an integer number (46983615).

Almost surely, 2^311434132 is an apocalyptic number.

It is an amenable number.

311434132 is a deficient number, since it is larger than the sum of its proper divisors (252369248).

311434132 is a wasteful number, since it uses less digits than its factorization.

311434132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684810 (or 2684808 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 311434132 is about 17647.4964796710. The cubic root of 311434132 is about 677.8320024182.

Adding to 311434132 its reverse (231434113), we get a palindrome (542868245).

The spelling of 311434132 in words is "three hundred eleven million, four hundred thirty-four thousand, one hundred thirty-two".