1131311131330 has 16 divisors (see below), whose sum is σ = 2036409449400. Its totient is φ = 452513471872.

The previous prime is 1131311131303. The next prime is 1131311131367. The reversal of 1131311131330 is 331311131311.

It can be written as a sum of positive squares in 4 ways, for example, as 938517250441 + 192793880889 = 968771^2 + 439083^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933169 + ... + 1770148.

Almost surely, 2^{1131311131330} is an apocalyptic number.

1131311131330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131311131330 is a deficient number, since it is larger than the sum of its proper divisors (905098318070).

1131311131330 is a wasteful number, since it uses less digits than its factorization.

1131311131330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745173.

The product of its (nonzero) digits is 243, while the sum is 22.

Adding to 1131311131330 its reverse (331311131311), we get a palindrome (1462622262641).

The spelling of 1131311131330 in words is "one trillion, one hundred thirty-one billion, three hundred eleven million, one hundred thirty-one thousand, three hundred thirty".