1131231013130 has 32 divisors (see below), whose sum is σ = 2107498856400. Its totient is φ = 436667564032.

The previous prime is 1131231013123. The next prime is 1131231013169. The reversal of 1131231013130 is 313101321311.

It can be written as a sum of positive squares in 8 ways, for example, as 168895518961 + 962335494169 = 410969^2 + 980987^2 .

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 416375 + ... + 1560714.

Almost surely, 2^{1131231013130} is an apocalyptic number.

1131231013130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131231013130 is a deficient number, since it is larger than the sum of its proper divisors (976267843270).

1131231013130 is a wasteful number, since it uses less digits than its factorization.

1131231013130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979098.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 1131231013130 its reverse (313101321311), we get a palindrome (1444332334441).

The spelling of 1131231013130 in words is "one trillion, one hundred thirty-one billion, two hundred thirty-one million, thirteen thousand, one hundred thirty".