1131011313031 has 8 divisors (see below), whose sum is σ = 1136044718640. Its totient is φ = 1125979440192.

The previous prime is 1131011313017. The next prime is 1131011313037. The reversal of 1131011313031 is 1303131101311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1131011313031 is a prime.

It is a super-2 number, since 2×1131011313031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131011313037) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1108756 + ... + 1868518.

It is an arithmetic number, because the mean of its divisors is an integer number (142005589830).

Almost surely, 2^{1131011313031} is an apocalyptic number.

1131011313031 is a deficient number, since it is larger than the sum of its proper divisors (5033405609).

1131011313031 is an equidigital number, since it uses as much as digits as its factorization.

1131011313031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766385.

The product of its (nonzero) digits is 81, while the sum is 19.

Adding to 1131011313031 its reverse (1303131101311), we get a palindrome (2434142414342).

The spelling of 1131011313031 in words is "one trillion, one hundred thirty-one billion, eleven million, three hundred thirteen thousand, thirty-one".