1311455098 has 8 divisors (see below), whose sum is σ = 1970641620. Its totient is φ = 654574560.

The previous prime is 1311455077. The next prime is 1311455113. The reversal of 1311455098 is 8905541131.

It can be written as a sum of positive squares in 2 ways, for example, as 1308775329 + 2679769 = 36177^2 + 1637^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575073 + ... + 577348.

Almost surely, 2^1311455098 is an apocalyptic number.

1311455098 is a deficient number, since it is larger than the sum of its proper divisors (659186522).

1311455098 is a wasteful number, since it uses less digits than its factorization.

1311455098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152992.

The product of its (nonzero) digits is 21600, while the sum is 37.

The square root of 1311455098 is about 36214.0179764687. The cubic root of 1311455098 is about 1094.5891574652.

The spelling of 1311455098 in words is "one billion, three hundred eleven million, four hundred fifty-five thousand, ninety-eight".