1101997319 has 8 divisors (see below), whose sum is σ = 1121353632. Its totient is φ = 1082747680.

The previous prime is 1101997291. The next prime is 1101997333. The reversal of 1101997319 is 9137991011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1101997319 - 2⁸ = 1101997063 is a prime.

It is a super-2 number, since 2×1101997319² = 2428796182166375522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101997349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5684 + ... + 47289.

It is an arithmetic number, because the mean of its divisors is an integer number (140169204).

Almost surely, 2^1101997319 is an apocalyptic number.

1101997319 is a deficient number, since it is larger than the sum of its proper divisors (19356313).

1101997319 is an equidigital number, since it uses as much as digits as its factorization.

1101997319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53337.

The product of its (nonzero) digits is 15309, while the sum is 41.

The square root of 1101997319 is about 33196.3449644686. The cubic root of 1101997319 is about 1032.9045233500.

The spelling of 1101997319 in words is "one billion, one hundred one million, nine hundred ninety-seven thousand, three hundred nineteen".