2131336 has 8 divisors (see below), whose sum is σ = 3996270. Its totient is φ = 1065664.

The previous prime is 2131321. The next prime is 2131361. The reversal of 2131336 is 6331312.

It can be written as a sum of positive squares in only one way, i.e., 2044900 + 86436 = 1430^2 + 294^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133201 + ... + 133216.

2^2131336 is an apocalyptic number.

It is an amenable number.

2131336 is a deficient number, since it is larger than the sum of its proper divisors (1864934).

2131336 is a wasteful number, since it uses less digits than its factorization.

2131336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266423 (or 266419 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 2131336 is about 1459.9095862416. The cubic root of 2131336 is about 128.6917303169.

Adding to 2131336 its reverse (6331312), we get a palindrome (8462648).

The spelling of 2131336 in words is "two million, one hundred thirty-one thousand, three hundred thirty-six".