1097390311 has 2 divisors, whose sum is σ = 1097390312. Its totient is φ = 1097390310.

The previous prime is 1097390299. The next prime is 1097390317. The reversal of 1097390311 is 1130937901.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1097390311 is a prime.

It is a super-3 number, since 3×1097390311³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1097390317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548695155 + 548695156.

It is an arithmetic number, because the mean of its divisors is an integer number (548695156).

Almost surely, 2^1097390311 is an apocalyptic number.

1097390311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097390311 is an equidigital number, since it uses as much as digits as its factorization.

1097390311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 1097390311 is about 33126.8819993672. The cubic root of 1097390311 is about 1031.4631265853.

The spelling of 1097390311 in words is "one billion, ninety-seven million, three hundred ninety thousand, three hundred eleven".