318901049 has 16 divisors (see below), whose sum is σ = 337029120. Its totient is φ = 301160640.

The previous prime is 318901043. The next prime is 318901067. The reversal of 318901049 is 940109813.

It is a cyclic number.

It is not a de Polignac number, because 318901049 - 2¹² = 318896953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (318901043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005839 + ... + 1006155.

It is an arithmetic number, because the mean of its divisors is an integer number (21064320).

Almost surely, 2^318901049 is an apocalyptic number.

It is an amenable number.

318901049 is a deficient number, since it is larger than the sum of its proper divisors (18128071).

318901049 is a wasteful number, since it uses less digits than its factorization.

318901049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 318901049 is about 17857.8007884510. The cubic root of 318901049 is about 683.2064890608.

The spelling of 318901049 in words is "three hundred eighteen million, nine hundred one thousand, forty-nine".