231406055 has 16 divisors (see below), whose sum is σ = 280433664. Its totient is φ = 183303840.

The previous prime is 231406039. The next prime is 231406061. The reversal of 231406055 is 550604132.

It is not a de Polignac number, because 231406055 - 2⁴ = 231406039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359564 + ... + 360206.

It is an arithmetic number, because the mean of its divisors is an integer number (17527104).

Almost surely, 2^231406055 is an apocalyptic number.

231406055 is a deficient number, since it is larger than the sum of its proper divisors (49027609).

231406055 is a wasteful number, since it uses less digits than its factorization.

231406055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 231406055 is about 15212.0365171794. The cubic root of 231406055 is about 613.9385528806.

The spelling of 231406055 in words is "two hundred thirty-one million, four hundred six thousand, fifty-five".