31134434 has 4 divisors (see below), whose sum is σ = 46701654. Its totient is φ = 15567216.

The previous prime is 31134413. The next prime is 31134443. The reversal of 31134434 is 43443113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28590409 + 2544025 = 5347^2 + 1595^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 7783607 + ... + 7783610.

Almost surely, 2^31134434 is an apocalyptic number.

31134434 is a deficient number, since it is larger than the sum of its proper divisors (15567220).

31134434 is a wasteful number, since it uses less digits than its factorization.

31134434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15567219.

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

The square root of 31134434 is about 5579.8238323445. The cubic root of 31134434 is about 314.5915054273.

Adding to 31134434 its reverse (43443113), we get a palindrome (74577547).

The spelling of 31134434 in words is "thirty-one million, one hundred thirty-four thousand, four hundred thirty-four".