1131323020230 has 64 divisors (see below), whose sum is σ = 2925235228608. Its totient is φ = 278365194240.

The previous prime is 1131323020153. The next prime is 1131323020253. The reversal of 1131323020230 is 320203231311.

It is a super-2 number, since 2×1131323020230² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1131323020197 and 1131323020206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357802 + ... + 1546178.

It is an arithmetic number, because the mean of its divisors is an integer number (45706800447).

Almost surely, 2^{1131323020230} is an apocalyptic number.

1131323020230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131323020230 is an abundant number, since it is smaller than the sum of its proper divisors (1793912208378).

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

1131323020230 is a wasteful number, since it uses less digits than its factorization.

1131323020230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190841.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1131323020230 its reverse (320203231311), we get a palindrome (1451526251541).

The spelling of 1131323020230 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-three million, twenty thousand, two hundred thirty".