1031211333230 has 128 divisors (see below), whose sum is σ = 2135509971840. Its totient is φ = 355156623360.

The previous prime is 1031211333223. The next prime is 1031211333233. The reversal of 1031211333230 is 323331121301.

It is a junction number, because it is equal to n+sod(n) for n = 1031211333196 and 1031211333205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031211333233) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 196906172 + ... + 196911408.

It is an arithmetic number, because the mean of its divisors is an integer number (16683671655).

Almost surely, 2^{1031211333230} is an apocalyptic number.

1031211333230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031211333230 is an abundant number, since it is smaller than the sum of its proper divisors (1104298638610).

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

1031211333230 is a wasteful number, since it uses less digits than its factorization.

1031211333230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1031211333230 its reverse (323331121301), we get a palindrome (1354542454531).

The spelling of 1031211333230 in words is "one trillion, thirty-one billion, two hundred eleven million, three hundred thirty-three thousand, two hundred thirty".