1131013297 has 2 divisors, whose sum is σ = 1131013298. Its totient is φ = 1131013296.

The previous prime is 1131013291. The next prime is 1131013313. The reversal of 1131013297 is 7923101311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 793886976 + 337126321 = 28176^2 + 18361^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131013297 - 2²³ = 1122624689 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131013291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565506648 + 565506649.

It is an arithmetic number, because the mean of its divisors is an integer number (565506649).

Almost surely, 2^1131013297 is an apocalyptic number.

It is an amenable number.

1131013297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131013297 is an equidigital number, since it uses as much as digits as its factorization.

1131013297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1131013297 is about 33630.5411345105. The cubic root of 1131013297 is about 1041.8916806733.

The spelling of 1131013297 in words is "one billion, one hundred thirty-one million, thirteen thousand, two hundred ninety-seven".