31344422 has 8 divisors (see below), whose sum is σ = 47316576. Its totient is φ = 15572232.

The previous prime is 31344419. The next prime is 31344431. The reversal of 31344422 is 22444313.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49598 + ... + 50225.

It is an arithmetic number, because the mean of its divisors is an integer number (5914572).

Almost surely, 2^31344422 is an apocalyptic number.

31344422 is a deficient number, since it is larger than the sum of its proper divisors (15972154).

31344422 is a wasteful number, since it uses less digits than its factorization.

31344422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99982.

The product of its digits is 2304, while the sum is 23.

The square root of 31344422 is about 5598.6089343693. The cubic root of 31344422 is about 315.2971815380.

Adding to 31344422 its reverse (22444313), we get a palindrome (53788735).

The spelling of 31344422 in words is "thirty-one million, three hundred forty-four thousand, four hundred twenty-two".