31023230211 has 12 divisors (see below), whose sum is σ = 46356551280. Its totient is φ = 19968975600.

The previous prime is 31023230179. The next prime is 31023230221. The reversal of 31023230211 is 11203232013.

It is not a de Polignac number, because 31023230211 - 2⁵ = 31023230179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31023230221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59431215 + ... + 59431736.

It is an arithmetic number, because the mean of its divisors is an integer number (3863045940).

Almost surely, 2^31023230211 is an apocalyptic number.

31023230211 is a deficient number, since it is larger than the sum of its proper divisors (15333321069).

31023230211 is a wasteful number, since it uses less digits than its factorization.

31023230211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118862986 (or 118862983 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 31023230211 its reverse (11203232013), we get a palindrome (42226462224).

The spelling of 31023230211 in words is "thirty-one billion, twenty-three million, two hundred thirty thousand, two hundred eleven".