20203101231030 has 48 divisors (see below), whose sum is σ = 52597088429184. Its totient is φ = 5380414151040.

The previous prime is 20203101231013. The next prime is 20203101231073. The reversal of 20203101231030 is 3013210130202.

20203101231030 is a `hidden beast` number, since 2 + 0 + 2 + 0 + 310 + 12 + 310 + 30 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 20203101230994 and 20203101231012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147420934 + ... + 147557913.

It is an arithmetic number, because the mean of its divisors is an integer number (1095772675608).

Almost surely, 2^{20203101231030} is an apocalyptic number.

20203101231030 is an abundant number, since it is smaller than the sum of its proper divisors (32393987198154).

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

20203101231030 is a wasteful number, since it uses less digits than its factorization.

20203101231030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294979621 (or 294979618 counting only the distinct ones).

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

Adding to 20203101231030 its reverse (3013210130202), we get a palindrome (23216311361232).

The spelling of 20203101231030 in words is "twenty trillion, two hundred three billion, one hundred one million, two hundred thirty-one thousand, thirty".