31201433242 has 32 divisors (see below), whose sum is σ = 59096915712. Its totient is φ = 12038256384.

The previous prime is 31201433233. The next prime is 31201433273. The reversal of 31201433242 is 24233410213.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2844493 + ... + 2855440.

It is an arithmetic number, because the mean of its divisors is an integer number (1846778616).

Almost surely, 2^31201433242 is an apocalyptic number.

31201433242 is a deficient number, since it is larger than the sum of its proper divisors (27895482470).

31201433242 is a wasteful number, since it uses less digits than its factorization.

31201433242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5699982.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31201433242 its reverse (24233410213), we get a palindrome (55434843455).

The spelling of 31201433242 in words is "thirty-one billion, two hundred one million, four hundred thirty-three thousand, two hundred forty-two".