310131013212 has 288 divisors, whose sum is σ = 845057740800. Its totient is φ = 95753788416.

The previous prime is 310131013207. The next prime is 310131013217. The reversal of 310131013212 is 212310131013.

310131013212 is a `hidden beast` number, since 31 + 0 + 1 + 310 + 1 + 321 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (310131013207) and next prime (310131013217).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310131013217) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 361036839 + ... + 361037697.

Almost surely, 2^310131013212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 310131013212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422528870400).

310131013212 is an abundant number, since it is smaller than the sum of its proper divisors (534926727588).

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

310131013212 is a wasteful number, since it uses less digits than its factorization.

310131013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 310131013212 its reverse (212310131013), we get a palindrome (522441144225).

It can be divided in two parts, 310131013 and 212, that multiplied together give a palindrome (65747774756).

The spelling of 310131013212 in words is "three hundred ten billion, one hundred thirty-one million, thirteen thousand, two hundred twelve".