31032012422 has 16 divisors (see below), whose sum is σ = 47062758912. Its totient is φ = 15344829000.

The previous prime is 31032012353. The next prime is 31032012461. The reversal of 31032012422 is 22421023013.

It is a junction number, because it is equal to n+sod(n) for n = 31032012394 and 31032012403.

It is a congruent number.

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, 54413 + ... + 254999.

It is an arithmetic number, because the mean of its divisors is an integer number (2941422432).

Almost surely, 2^31032012422 is an apocalyptic number.

31032012422 is a deficient number, since it is larger than the sum of its proper divisors (16030746490).

31032012422 is a wasteful number, since it uses less digits than its factorization.

31032012422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201443.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 31032012422 its reverse (22421023013), we get a palindrome (53453035435).

The spelling of 31032012422 in words is "thirty-one billion, thirty-two million, twelve thousand, four hundred twenty-two".