31341012242 has 4 divisors (see below), whose sum is σ = 47011518366. Its totient is φ = 15670506120.

The previous prime is 31341012239. The next prime is 31341012247. The reversal of 31341012242 is 24221014313.

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., 27632080441 + 3708931801 = 166229^2 + 60901^2 .

It is not an unprimeable number, because it can be changed into a prime (31341012247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7835253059 + ... + 7835253062.

Almost surely, 2^31341012242 is an apocalyptic number.

31341012242 is a deficient number, since it is larger than the sum of its proper divisors (15670506124).

31341012242 is a wasteful number, since it uses less digits than its factorization.

31341012242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15670506123.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31341012242 its reverse (24221014313), we get a palindrome (55562026555).

The spelling of 31341012242 in words is "thirty-one billion, three hundred forty-one million, twelve thousand, two hundred forty-two".