1020311302230 has 160 divisors (see below), whose sum is σ = 3005988654240. Its totient is φ = 246267578880.

The previous prime is 1020311302223. The next prime is 1020311302253. The reversal of 1020311302230 is 322031130201.

1020311302230 is a `hidden beast` number, since 1 + 0 + 20 + 311 + 302 + 2 + 30 = 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 79 ways as a sum of consecutive naturals, for example, 1790362 + ... + 2290418.

It is an arithmetic number, because the mean of its divisors is an integer number (18787429089).

Almost surely, 2^{1020311302230} is an apocalyptic number.

1020311302230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020311302230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1502994327120).

1020311302230 is an abundant number, since it is smaller than the sum of its proper divisors (1985677352010).

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

1020311302230 is a wasteful number, since it uses less digits than its factorization.

1020311302230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500316 (or 500307 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1020311302230 its reverse (322031130201), we get a palindrome (1342342432431).

The spelling of 1020311302230 in words is "one trillion, twenty billion, three hundred eleven million, three hundred two thousand, two hundred thirty".