1131020331230 has 32 divisors (see below), whose sum is σ = 2134419337728. Its totient is φ = 430687303200.

The previous prime is 1131020331193. The next prime is 1131020331263. The reversal of 1131020331230 is 321330201311.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11604266 + ... + 11701325.

It is an arithmetic number, because the mean of its divisors is an integer number (66700604304).

Almost surely, 2^{1131020331230} is an apocalyptic number.

1131020331230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131020331230 is a deficient number, since it is larger than the sum of its proper divisors (1003399006498).

1131020331230 is a wasteful number, since it uses less digits than its factorization.

1131020331230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23305832.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1131020331230 its reverse (321330201311), we get a palindrome (1452350532541).

The spelling of 1131020331230 in words is "one trillion, one hundred thirty-one billion, twenty million, three hundred thirty-one thousand, two hundred thirty".