313240154 has 4 divisors (see below), whose sum is σ = 469860234. Its totient is φ = 156620076.

The previous prime is 313240141. The next prime is 313240157. The reversal of 313240154 is 451042313.

313240154 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 451042313 = 173 ⋅2607181.

It can be written as a sum of positive squares in only one way, i.e., 160149025 + 153091129 = 12655^2 + 12373^2 .

It is not an unprimeable number, because it can be changed into a prime (313240157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78310037 + ... + 78310040.

Almost surely, 2^313240154 is an apocalyptic number.

313240154 is a deficient number, since it is larger than the sum of its proper divisors (156620080).

313240154 is a wasteful number, since it uses less digits than its factorization.

313240154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156620079.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 313240154 is about 17698.5918648914. The cubic root of 313240154 is about 679.1397382743.

Adding to 313240154 its reverse (451042313), we get a palindrome (764282467).

The spelling of 313240154 in words is "three hundred thirteen million, two hundred forty thousand, one hundred fifty-four".