31033033222012 has 24 divisors (see below), whose sum is σ = 55463677254720. Its totient is φ = 15186272861760.

The previous prime is 31033033222003. The next prime is 31033033222063. The reversal of 31033033222012 is 21022233033013.

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, 31418962 + ... + 32391622.

It is an arithmetic number, because the mean of its divisors is an integer number (2310986552280).

Almost surely, 2^{31033033222012} is an apocalyptic number.

It is an amenable number.

31033033222012 is a deficient number, since it is larger than the sum of its proper divisors (24430644032708).

31033033222012 is a wasteful number, since it uses less digits than its factorization.

31033033222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142421 (or 1142419 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31033033222012 its reverse (21022233033013), we get a palindrome (52055266255025).

The spelling of 31033033222012 in words is "thirty-one trillion, thirty-three billion, thirty-three million, two hundred twenty-two thousand, twelve".