31012230002211 has 32 divisors (see below), whose sum is σ = 47178640443200. Its totient is φ = 20126240087040.

The previous prime is 31012230002191. The next prime is 31012230002287. The reversal of 31012230002211 is 11220003221013.

31012230002211 is a `hidden beast` number, since 31 + 0 + 122 + 300 + 0 + 2 + 211 = 666.

It is not a de Polignac number, because 31012230002211 - 2⁶ = 31012230002147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31012230002711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96899656 + ... + 97219173.

It is an arithmetic number, because the mean of its divisors is an integer number (1474332513850).

Almost surely, 2^{31012230002211} is an apocalyptic number.

31012230002211 is a deficient number, since it is larger than the sum of its proper divisors (16166410440989).

31012230002211 is a wasteful number, since it uses less digits than its factorization.

31012230002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194118996 (or 194118990 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31012230002211 its reverse (11220003221013), we get a palindrome (42232233223224).

The spelling of 31012230002211 in words is "thirty-one trillion, twelve billion, two hundred thirty million, two thousand, two hundred eleven".