31133102223212 has 12 divisors (see below), whose sum is σ = 59435922426216. Its totient is φ = 14151410101440.

The previous prime is 31133102223073. The next prime is 31133102223221. The reversal of 31133102223212 is 21232220133113.

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, 353785252493 + ... + 353785252580.

It is an arithmetic number, because the mean of its divisors is an integer number (4952993535518).

Almost surely, 2^{31133102223212} is an apocalyptic number.

It is an amenable number.

31133102223212 is a deficient number, since it is larger than the sum of its proper divisors (28302820203004).

31133102223212 is a wasteful number, since it uses less digits than its factorization.

31133102223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707570505088 (or 707570505086 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 31133102223212 its reverse (21232220133113), we get a palindrome (52365322356325).

The spelling of 31133102223212 in words is "thirty-one trillion, one hundred thirty-three billion, one hundred two million, two hundred twenty-three thousand, two hundred twelve".