1021013031230 has 32 divisors (see below), whose sum is σ = 1887566345280. Its totient is φ = 397352079360.

The previous prime is 1021013031131. The next prime is 1021013031239. The reversal of 1021013031230 is 321303101201.

It is a junction number, because it is equal to n+sod(n) for n = 1021013031199 and 1021013031208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021013031239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18308990 + ... + 18364670.

It is an arithmetic number, because the mean of its divisors is an integer number (58986448290).

Almost surely, 2^{1021013031230} is an apocalyptic number.

1021013031230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021013031230 is a deficient number, since it is larger than the sum of its proper divisors (866553314050).

1021013031230 is a wasteful number, since it uses less digits than its factorization.

1021013031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105284.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1021013031230 its reverse (321303101201), we get a palindrome (1342316132431).

The spelling of 1021013031230 in words is "one trillion, twenty-one billion, thirteen million, thirty-one thousand, two hundred thirty".