1031131027 has 2 divisors, whose sum is σ = 1031131028. Its totient is φ = 1031131026.

The previous prime is 1031131019. The next prime is 1031131033. The reversal of 1031131027 is 7201311301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1031131027 - 2³ = 1031131019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1031130995 and 1031131013.

It is not a weakly prime, because it can be changed into another prime (1031131067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515565513 + 515565514.

It is an arithmetic number, because the mean of its divisors is an integer number (515565514).

Almost surely, 2^1031131027 is an apocalyptic number.

1031131027 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031131027 is an equidigital number, since it uses as much as digits as its factorization.

1031131027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 1031131027 is about 32111.2289861351. The cubic root of 1031131027 is about 1010.2711512614.

Adding to 1031131027 its reverse (7201311301), we get a palindrome (8232442328).

The spelling of 1031131027 in words is "one billion, thirty-one million, one hundred thirty-one thousand, twenty-seven".