313019149 has 8 divisors (see below), whose sum is σ = 321700248. Its totient is φ = 304349760.

The previous prime is 313019137. The next prime is 313019159. The reversal of 313019149 is 941910313.

It can be written as a sum of positive squares in 4 ways, for example, as 66748900 + 246270249 = 8170^2 + 15693^2 .

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 313019149 - 2¹⁵ = 312986381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 313019149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313019159) 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, 104379 + ... + 107335.

It is an arithmetic number, because the mean of its divisors is an integer number (40212531).

Almost surely, 2^313019149 is an apocalyptic number.

It is an amenable number.

313019149 is a deficient number, since it is larger than the sum of its proper divisors (8681099).

313019149 is a wasteful number, since it uses less digits than its factorization.

313019149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 313019149 is about 17692.3471874141. The cubic root of 313019149 is about 678.9799794982.

The spelling of 313019149 in words is "three hundred thirteen million, nineteen thousand, one hundred forty-nine".