31103030020230 has 192 divisors, whose sum is σ = 97869552168960. Its totient is φ = 6690208822272.

The previous prime is 31103030020217. The next prime is 31103030020273. The reversal of 31103030020230 is 3202003030113.

31103030020230 is a `hidden beast` number, since 3 + 110 + 3 + 0 + 300 + 20 + 230 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 84629127 + ... + 84995853.

It is an arithmetic number, because the mean of its divisors is an integer number (509737250880).

Almost surely, 2^{31103030020230} is an apocalyptic number.

31103030020230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 31103030020230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48934776084480).

31103030020230 is an abundant number, since it is smaller than the sum of its proper divisors (66766522148730).

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

31103030020230 is a wasteful number, since it uses less digits than its factorization.

31103030020230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374683 (or 374680 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 31103030020230 its reverse (3202003030113), we get a palindrome (34305033050343).

The spelling of 31103030020230 in words is "thirty-one trillion, one hundred three billion, thirty million, twenty thousand, two hundred thirty".