31314344 has 8 divisors (see below), whose sum is σ = 58714410. Its totient is φ = 15657168.

The previous prime is 31314331. The next prime is 31314373. The reversal of 31314344 is 44341313.

It can be written as a sum of positive squares in only one way, i.e., 31024900 + 289444 = 5570^2 + 538^2 .

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, 1957139 + ... + 1957154.

Almost surely, 2^31314344 is an apocalyptic number.

It is an amenable number.

31314344 is a deficient number, since it is larger than the sum of its proper divisors (27400066).

31314344 is a wasteful number, since it uses less digits than its factorization.

31314344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914299 (or 3914295 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 31314344 is about 5595.9220866628. The cubic root of 31314344 is about 315.1962965629.

Adding to 31314344 its reverse (44341313), we get a palindrome (75655657).

The spelling of 31314344 in words is "thirty-one million, three hundred fourteen thousand, three hundred forty-four".