31343342122 has 4 divisors (see below), whose sum is σ = 47015013186. Its totient is φ = 15671671060.

The previous prime is 31343342111. The next prime is 31343342131. The reversal of 31343342122 is 22124334313.

It is a happy number.

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., 25698975481 + 5644366641 = 160309^2 + 75129^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7835835529 + ... + 7835835532.

Almost surely, 2^31343342122 is an apocalyptic number.

31343342122 is a deficient number, since it is larger than the sum of its proper divisors (15671671064).

31343342122 is a wasteful number, since it uses less digits than its factorization.

31343342122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15671671063.

The product of its digits is 10368, while the sum is 28.

Adding to 31343342122 its reverse (22124334313), we get a palindrome (53467676435).

The spelling of 31343342122 in words is "thirty-one billion, three hundred forty-three million, three hundred forty-two thousand, one hundred twenty-two".