31023031211112 has 64 divisors (see below), whose sum is σ = 79451139398400. Its totient is φ = 10088547701760.

The previous prime is 31023031211093. The next prime is 31023031211171. The reversal of 31023031211112 is 21111213032013.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43026033 + ... + 43741119.

It is an arithmetic number, because the mean of its divisors is an integer number (1241424053100).

Almost surely, 2^{31023031211112} is an apocalyptic number.

It is an amenable number.

31023031211112 is an abundant number, since it is smaller than the sum of its proper divisors (48428108187288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31023031211112 is a wasteful number, since it uses less digits than its factorization.

31023031211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759226 (or 759222 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 31023031211112 its reverse (21111213032013), we get a palindrome (52134244243125).

The spelling of 31023031211112 in words is "thirty-one trillion, twenty-three billion, thirty-one million, two hundred eleven thousand, one hundred twelve".