31214434 has 8 divisors (see below), whose sum is σ = 46889820. Its totient is φ = 15584496.

The previous prime is 31214423. The next prime is 31214437. The reversal of 31214434 is 43441213.

It can be written as a sum of positive squares in 2 ways, for example, as 30858025 + 356409 = 5555^2 + 597^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31214437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9589 + ... + 12424.

Almost surely, 2^31214434 is an apocalyptic number.

31214434 is a deficient number, since it is larger than the sum of its proper divisors (15675386).

31214434 is a wasteful number, since it uses less digits than its factorization.

31214434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22724.

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

The square root of 31214434 is about 5586.9879183689. The cubic root of 31214434 is about 314.8607228403.

Adding to 31214434 its reverse (43441213), we get a palindrome (74655647).

The spelling of 31214434 in words is "thirty-one million, two hundred fourteen thousand, four hundred thirty-four".