1111431331010 has 128 divisors (see below), whose sum is σ = 2688156979200. Its totient is φ = 319526219520.

The previous prime is 1111431331009. The next prime is 1111431331033. The reversal of 1111431331010 is 101331341111.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13161101 + ... + 13245279.

It is an arithmetic number, because the mean of its divisors is an integer number (21001226400).

Almost surely, 2^{1111431331010} is an apocalyptic number.

1111431331010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1111431331010 is an abundant number, since it is smaller than the sum of its proper divisors (1576725648190).

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

1111431331010 is a wasteful number, since it uses less digits than its factorization.

1111431331010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85536.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1111431331010 its reverse (101331341111), we get a palindrome (1212762672121).

It can be divided in two parts, 1111431 and 331010, that added together give a palindrome (1442441).

The spelling of 1111431331010 in words is "one trillion, one hundred eleven billion, four hundred thirty-one million, three hundred thirty-one thousand, ten".