231413550154 has 4 divisors (see below), whose sum is σ = 347120325234. Its totient is φ = 115706775076.

The previous prime is 231413550103. The next prime is 231413550187. The reversal of 231413550154 is 451055314132.

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., 214985232225 + 16428317929 = 463665^2 + 128173^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57853387537 + ... + 57853387540.

Almost surely, 2^231413550154 is an apocalyptic number.

231413550154 is a deficient number, since it is larger than the sum of its proper divisors (115706775080).

231413550154 is a wasteful number, since it uses less digits than its factorization.

231413550154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115706775079.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 231413550154 its reverse (451055314132), we get a palindrome (682468864286).

The spelling of 231413550154 in words is "two hundred thirty-one billion, four hundred thirteen million, five hundred fifty thousand, one hundred fifty-four".