1198471311 has 6 divisors (see below), whose sum is σ = 1731125240. Its totient is φ = 798980868.

The previous prime is 1198471301. The next prime is 1198471343. The reversal of 1198471311 is 1131748911.

It is a de Polignac number, because none of the positive numbers 2^k-1198471311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198471301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66581731 + ... + 66581748.

Almost surely, 2^1198471311 is an apocalyptic number.

1198471311 is a deficient number, since it is larger than the sum of its proper divisors (532653929).

1198471311 is a wasteful number, since it uses less digits than its factorization.

1198471311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133163485 (or 133163482 counting only the distinct ones).

The product of its digits is 6048, while the sum is 36.

The square root of 1198471311 is about 34618.9443946519. The cubic root of 1198471311 is about 1062.2071345259.

The spelling of 1198471311 in words is "one billion, one hundred ninety-eight million, four hundred seventy-one thousand, three hundred eleven".