31102302000000 has 1792 divisors, whose sum is σ = 134393479741440. Its totient is φ = 6179712000000.

The previous prime is 31102301999981. The next prime is 31102302000079. The reversal of 31102302000000 is 20320113.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 31102302000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 10625998537 + ... + 10626001463.

Almost surely, 2^{31102302000000} is an apocalyptic number.

31102302000000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31102302000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67196739870720).

31102302000000 is an abundant number, since it is smaller than the sum of its proper divisors (103291177741440).

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

31102302000000 is an equidigital number, since it uses as much as digits as its factorization.

31102302000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3015 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 31102302000000 its reverse (20320113), we get a palindrome (31102322320113).

The spelling of 31102302000000 in words is "thirty-one trillion, one hundred two billion, three hundred two million", and thus it is an aban number.