31344134 has 4 divisors (see below), whose sum is σ = 47016204. Its totient is φ = 15672066.

The previous prime is 31344121. The next prime is 31344139. The reversal of 31344134 is 43144313.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31344139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7836032 + ... + 7836035.

It is an arithmetic number, because the mean of its divisors is an integer number (11754051).

Almost surely, 2^31344134 is an apocalyptic number.

31344134 is a deficient number, since it is larger than the sum of its proper divisors (15672070).

31344134 is a wasteful number, since it uses less digits than its factorization.

31344134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15672069.

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

The square root of 31344134 is about 5598.5832136354. The cubic root of 31344134 is about 315.2962158599.

Adding to 31344134 its reverse (43144313), we get a palindrome (74488447).

The spelling of 31344134 in words is "thirty-one million, three hundred forty-four thousand, one hundred thirty-four".