31244310242 has 8 divisors (see below), whose sum is σ = 47459712000. Its totient is φ = 15424406244.

The previous prime is 31244310221. The next prime is 31244310247. The reversal of 31244310242 is 24201344213.

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

It is not an unprimeable number, because it can be changed into a prime (31244310247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98874242 + ... + 98874557.

It is an arithmetic number, because the mean of its divisors is an integer number (5932464000).

Almost surely, 2^31244310242 is an apocalyptic number.

31244310242 is a deficient number, since it is larger than the sum of its proper divisors (16215401758).

31244310242 is a wasteful number, since it uses less digits than its factorization.

31244310242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197748880.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31244310242 its reverse (24201344213), we get a palindrome (55445654455).

The spelling of 31244310242 in words is "thirty-one billion, two hundred forty-four million, three hundred ten thousand, two hundred forty-two".