31230302242 has 16 divisors (see below), whose sum is σ = 49319436960. Its totient is φ = 14790771072.

The previous prime is 31230302219. The next prime is 31230302269. The reversal of 31230302242 is 24220303213.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165073 + ... + 299515.

It is an arithmetic number, because the mean of its divisors is an integer number (3082464810).

Almost surely, 2^31230302242 is an apocalyptic number.

31230302242 is a deficient number, since it is larger than the sum of its proper divisors (18089134718).

31230302242 is a wasteful number, since it uses less digits than its factorization.

31230302242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140577.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 31230302242 its reverse (24220303213), we get a palindrome (55450605455).

The spelling of 31230302242 in words is "thirty-one billion, two hundred thirty million, three hundred two thousand, two hundred forty-two".