31222000042 has 8 divisors (see below), whose sum is σ = 47287689696. Its totient is φ = 15459436812.

The previous prime is 31222000037. The next prime is 31222000093. The reversal of 31222000042 is 24000022213.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75781348 + ... + 75781759.

It is an arithmetic number, because the mean of its divisors is an integer number (5910961212).

Almost surely, 2^31222000042 is an apocalyptic number.

31222000042 is a deficient number, since it is larger than the sum of its proper divisors (16065689654).

31222000042 is a wasteful number, since it uses less digits than its factorization.

31222000042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151563212.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 31222000042 its reverse (24000022213), we get a palindrome (55222022255).

The spelling of 31222000042 in words is "thirty-one billion, two hundred twenty-two million, forty-two", and thus it is an aban number.