1031011097 has 2 divisors, whose sum is σ = 1031011098. Its totient is φ = 1031011096.

The previous prime is 1031011063. The next prime is 1031011139. The reversal of 1031011097 is 7901101301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 622203136 + 408807961 = 24944^2 + 20219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031011097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1031011027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515505548 + 515505549.

It is an arithmetic number, because the mean of its divisors is an integer number (515505549).

Almost surely, 2^1031011097 is an apocalyptic number.

It is an amenable number.

1031011097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031011097 is an equidigital number, since it uses as much as digits as its factorization.

1031011097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 1031011097 is about 32109.3615165422. The cubic root of 1031011097 is about 1010.2319818078.

Adding to 1031011097 its reverse (7901101301), we get a palindrome (8932112398).

The spelling of 1031011097 in words is "one billion, thirty-one million, eleven thousand, ninety-seven".