1131055472831 has 2 divisors, whose sum is σ = 1131055472832. Its totient is φ = 1131055472830.

The previous prime is 1131055472761. The next prime is 1131055472863. The reversal of 1131055472831 is 1382745501311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131055472831 - 2¹⁰ = 1131055471807 is a prime.

It is a super-2 number, since 2×1131055472831² (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 (1131055472881) 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 as a sum of consecutive naturals, namely, 565527736415 + 565527736416.

It is an arithmetic number, because the mean of its divisors is an integer number (565527736416).

Almost surely, 2^{1131055472831} is an apocalyptic number.

1131055472831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131055472831 is an equidigital number, since it uses as much as digits as its factorization.

1131055472831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 1131055472831 in words is "one trillion, one hundred thirty-one billion, fifty-five million, four hundred seventy-two thousand, eight hundred thirty-one".