1131303102031 has 2 divisors, whose sum is σ = 1131303102032. Its totient is φ = 1131303102030.

The previous prime is 1131303101987. The next prime is 1131303102107. The reversal of 1131303102031 is 1302013031311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1131303102031 - 2³³ = 1122713167439 is a prime.

It is a super-2 number, since 2×1131303102031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1131303102731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565651551015 + 565651551016.

It is an arithmetic number, because the mean of its divisors is an integer number (565651551016).

Almost surely, 2^{1131303102031} is an apocalyptic number.

1131303102031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131303102031 is an equidigital number, since it uses as much as digits as its factorization.

1131303102031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1131303102031 its reverse (1302013031311), we get a palindrome (2433316133342).

The spelling of 1131303102031 in words is "one trillion, one hundred thirty-one billion, three hundred three million, one hundred two thousand, thirty-one".