1131011003331 has 12 divisors (see below), whose sum is σ = 1782199156920. Its totient is φ = 685461214080.

The previous prime is 1131011003293. The next prime is 1131011003371. The reversal of 1131011003331 is 1333001101311.

1131011003331 is a `hidden beast` number, since 11 + 310 + 1 + 10 + 0 + 3 + 331 = 666.

It is not a de Polignac number, because 1131011003331 - 2⁹ = 1131011002819 is a prime.

It is a super-2 number, since 2×1131011003331² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131011003371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5712176686 + ... + 5712176883.

It is an arithmetic number, because the mean of its divisors is an integer number (148516596410).

Almost surely, 2^{1131011003331} is an apocalyptic number.

1131011003331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1131011003331 is a deficient number, since it is larger than the sum of its proper divisors (651188153589).

1131011003331 is a wasteful number, since it uses less digits than its factorization.

1131011003331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11424353586 (or 11424353583 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

Adding to 1131011003331 its reverse (1333001101311), we get a palindrome (2464012104642).

The spelling of 1131011003331 in words is "one trillion, one hundred thirty-one billion, eleven million, three thousand, three hundred thirty-one".