31314424 has 8 divisors (see below), whose sum is σ = 58714560. Its totient is φ = 15657208.

The previous prime is 31314407. The next prime is 31314457. The reversal of 31314424 is 42441313.

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

It is a junction number, because it is equal to n+sod(n) for n = 31314395 and 31314404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1957144 + ... + 1957159.

It is an arithmetic number, because the mean of its divisors is an integer number (7339320).

Almost surely, 2^31314424 is an apocalyptic number.

It is an amenable number.

31314424 is a deficient number, since it is larger than the sum of its proper divisors (27400136).

31314424 is a wasteful number, since it uses less digits than its factorization.

31314424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914309 (or 3914305 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 31314424 is about 5595.9292347205. The cubic root of 31314424 is about 315.1965649776.

Adding to 31314424 its reverse (42441313), we get a palindrome (73755737).

The spelling of 31314424 in words is "thirty-one million, three hundred fourteen thousand, four hundred twenty-four".