231054451 has 4 divisors (see below), whose sum is σ = 231146152. Its totient is φ = 230962752.

The previous prime is 231054431. The next prime is 231054479. The reversal of 231054451 is 154450132.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 231054451 - 2¹¹ = 231052403 is a prime.

It is a super-2 number, since 2×231054451² = 106772318653822802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231054431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41961 + ... + 47146.

It is an arithmetic number, because the mean of its divisors is an integer number (57786538).

Almost surely, 2^231054451 is an apocalyptic number.

231054451 is a deficient number, since it is larger than the sum of its proper divisors (91701).

231054451 is an equidigital number, since it uses as much as digits as its factorization.

231054451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91700.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 231054451 is about 15200.4753544092. The cubic root of 231054451 is about 613.6274508618.

It can be divided in two parts, 23105 and 4451, that added together give a square (27556 = 166²).

The spelling of 231054451 in words is "two hundred thirty-one million, fifty-four thousand, four hundred fifty-one".