230311154 has 4 divisors (see below), whose sum is σ = 345466734. Its totient is φ = 115155576.

The previous prime is 230311117. The next prime is 230311157. The reversal of 230311154 is 451113032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 213949129 + 16362025 = 14627^2 + 4045^2 .

It is not an unprimeable number, because it can be changed into a prime (230311157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57577787 + ... + 57577790.

Almost surely, 2^230311154 is an apocalyptic number.

230311154 is a deficient number, since it is larger than the sum of its proper divisors (115155580).

230311154 is a wasteful number, since it uses less digits than its factorization.

230311154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115155579.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 230311154 is about 15176.0058645218. The cubic root of 230311154 is about 612.9687354043.

Adding to 230311154 its reverse (451113032), we get a palindrome (681424186).

The spelling of 230311154 in words is "two hundred thirty million, three hundred eleven thousand, one hundred fifty-four".