1131321443010 has 32 divisors (see below), whose sum is σ = 2962005233472. Its totient is φ = 274259743680.

The previous prime is 1131321442961. The next prime is 1131321443011. The reversal of 1131321443010 is 103441231311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1131321443011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714123069 + ... + 1714123728.

It is an arithmetic number, because the mean of its divisors is an integer number (92562663546).

Almost surely, 2^{1131321443010} is an apocalyptic number.

1131321443010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131321443010 is an abundant number, since it is smaller than the sum of its proper divisors (1830683790462).

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

1131321443010 is a wasteful number, since it uses less digits than its factorization.

1131321443010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3428246818.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1131321443010 its reverse (103441231311), we get a palindrome (1234762674321).

The spelling of 1131321443010 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-one million, four hundred forty-three thousand, ten".