31010313222312 has 32 divisors (see below), whose sum is σ = 79621074492000. Its totient is φ = 10057398882624.

The previous prime is 31010313222263. The next prime is 31010313222353. The reversal of 31010313222312 is 21322231301013.

It is a super-2 number, since 2×31010313222312² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17460761062 + ... + 17460762837.

It is an arithmetic number, because the mean of its divisors is an integer number (2488158577875).

Almost surely, 2^{31010313222312} is an apocalyptic number.

It is an amenable number.

31010313222312 is an abundant number, since it is smaller than the sum of its proper divisors (48610761269688).

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

31010313222312 is a wasteful number, since it uses less digits than its factorization.

31010313222312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34921523945 (or 34921523941 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 31010313222312 its reverse (21322231301013), we get a palindrome (52332544523325).

The spelling of 31010313222312 in words is "thirty-one trillion, ten billion, three hundred thirteen million, two hundred twenty-two thousand, three hundred twelve".